//============代码片段2-1：外部命令中Excute函数的定义============

//============代码片段2-1：外部命令中Excute函数的定义============public interface IExternalCommand{  public Autodesk.Revit.UI.Result Execute(   Autodesk.Revit.UI.ExternalCommandData commandData,   ref string message,   Autodesk.Revit.DB.ElementSet elements)}//============代码片段2-2：从commandData中取到Document============UIApplication uiApplication = commandData.Application;Application application = uiApplication.Application;UIDocument uiDocument = uiApplication.ActiveUIDocument;Document document = uiDocument.Document;//============代码片段2-3：使用message参数============   public class command : IExternalCommand   {      public Result Execute(             ExternalCommandData commandData,             ref string message,             ElementSet elements)      {         message = "message test";         return Result.Failed;      }   }//============代码片段2-4：使用element参数============public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements){   message = "Please take attention on the highlighted Walls!";   //先从UI选取元素，然后执行该插件   ElementSet elems = commandData.Application.ActiveUIDocument.Selection.Elements;   foreach (Element elem in elems)   {      Wall wall = elem as Wall;      if (null != wall)      {   elements.Insert(elem);      }   }   return Result.Failed;}//============代码片段2-5：外部命令中Excute函数的返回值============public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements){   try   {      UIDocument uiDoc = commandData.Application.ActiveUIDocument;      Document doc = uiDoc.Document;      List<ElementId> selectedElem = new List<ElementId>();      foreach(Element elem in uiDoc.Selection.Elements)      {         selectedElem.Add(elem.Id);      }      doc.Delete(selectedElem);      TaskDialogResult result = TaskDialog.Show(         "Revit",         "Yes to return succeeded and delete all selection,"+         "No to cancel all commands.",         TaskDialogCommonButtons.Yes|TaskDialogCommonButtons.No);      if (TaskDialogResult.Yes == result)      {         return Result.Succeeded;      }      else if (TaskDialogResult.No == result)      {         elements = uiDoc.Selection.Elements;         message = "Failed to delete selection.";         return Result.Failed;      }      else      {         return Result.Cancelled;      }   }   catch   {      message = "Unexpected Exception is thrown out.";      return Result.Failed;   }}//============代码片段2-6：IExternalApplication接口定义============public interface IExternalApplication{   Autodesk.Revit.UI.Result OnShutdown(UIControlledApplication application);   Autodesk.Revit.UI.Result OnStartup(UIControlledApplication application);}//============代码片段2-7：使用IExternalApplication定制UI============public Autodesk.Revit.UI.Result OnStartup(UIControlledApplication application){   //添加一个新的Ribbon面板   RibbonPanel ribbonPanel = application.CreateRibbonPanel("NewRibbonPanel");   //在新的Ribbon面板上添加一个按钮   //点击这个按钮，调用本章第四节第一个实例。   PushButton pushButton = ribbonPanel.AddItem(new PushButtonData("HelloRevit",       "HelloRevit", @"C:\Projects\HelloRevit\HelloRevit.dll", "HelloRevit.Class1")) as PushButton;   return Result.Succeeded;}public Result OnShutdown(UIControlledApplication application){   //UI定制不需要特别在OnShutdown方法中做处理。   return Result.Succeeded;}//============代码片段2-8：IExternalDBApplication接口定义============public interface IExternalDBApplication{  Autodesk.Revit.DB.ExternalDBApplicationResult OnShutdown(UIControlledApplication application);  Autodesk.Revit.DB.ExternalDBApplicationResult OnStartup(UIControlledApplication application);}//============代码片段2-9：ExternalCommand的.addin文件格式示例============<?xml version="1.0" encoding="utf-8" standalone="no"?><RevitAddIns>  <AddIn Type="Command">    <Assembly>c:\MyProgram\MyProgram.dll</Assembly>    <AddInId>76eb700a-2c85-4888-a78d-31429ecae9ed</AddInId>    <FullClassName>Revit.Samples.SampleCommand</FullClassName>    <Text>Sample command</Text>    <VisibilityMode>NotVisibleInFamily</VisibilityMode>    <VisibilityMode>NotVisibleInMEP</VisibilityMode>    <AvailabilityClassName>Revit.Samples.SampleAccessibilityCheck</AvailabilityClassName>    <LongDescription><p>This is the long description for my command.</p><p>This is another descriptive paragraph, with notes about how to use the command properly.</p></LongDescription>    <TooltipImage>c:\MyProgram\Autodesk.jpg</TooltipImage>    <LargeImage>c:\MyProgram\MyProgramIcon.png</LargeImage>    <VendorId>ADSK</VendorId>    <VendorDescription>Autodesk, www.autodesk.com</VendorDescription>  </AddIn></RevitAddIns>//============代码片段2-10：ExternalApplication的.addin文件格式示例============<?xml version="1.0" encoding="utf-8" standalone="no"?><RevitAddIns>  <AddIn Type="Application">    <Name>SampleApplication</Name>    <Assembly>c:\MyProgram\MyProgram.dll</Assembly>    <AddInId>604B1052-F742-4951-8576-C261D1993107</AddInId>    <FullClassName>Revit.Samples.SampleApplication</FullClassName>    <VendorId>ADSK</VendorId>    <VendorDescription>Autodesk, www.autodesk.com</VendorDescription>  </AddIn></RevitAddIns>//============代码片段2-11：数据库级别ExternalApplication的.addin文件格式示例============<?xml version="1.0" standalone="no"?><RevitAddIns>   <AddIn Type="DBApplication">      <Assembly>c:\MyDBLevelApplication\MyDBLevelApplication.dll</Assembly>      <AddInId>DA3D570A-1AB3-4a4b-B09F-8C15DFEC6BF0</AddInId>      <FullClassName>MyCompany.MyDBLevelAddIn</FullClassName>      <Name>My DB-Level AddIn</Name>      <VendorId>ADSK</VendorId>      <VendorDescription>Autodesk, www.autodesk.com</VendorDescription>   </AddIn></RevitAddIns>//============代码片段2-12：外部命令中Excute函数的Transaction属性============[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)]public class Class1 : IExternalCommand{}//============代码片段2-13：外部命令中Excute函数的Journaling属性============[Autodesk.Revit.Attributes.Journaling(Autodesk.Revit.Attributes.JournalingMode.NoCommandData)]public class Class1 : IExternalCommand{}//============代码片段2-14：获取Application对象============Autodesk.Revit.ApplicationServices.Application app         = commandData.Application.Application;//============代码片段2-15：Revit版本及产品信息============public void GetVersionInfo(Autodesk.Revit.ApplicationServices.Application app){   if (app.VersionNumber == "2014")   {      TaskDialog.Show("Supported version",                      "This application supported in this version.");   }   else   {      TaskDialog dialog = new TaskDialog("Unsupported version.");      dialog.MainIcon = TaskDialogIcon.TaskDialogIconWarning;      dialog.MainInstruction = "This application is only supported in Revit 2014.";      dialog.Show();   }}//============代码片段2-16：获取UIApplication对象============Autodesk.Revit.UI.UIpplication uiApp = commandData.Application;//============代码片段2-17：获取文档对象============Autodesk.Revit.UI.UIDocument activeDoc = commandData.Application.ActiveUIDocument;Autodesk.Revit.DB.DocumentSet documents = commandData.Application.Application.Documents;//============代码片段2-18：从Setting中取到当前文档的Categories============// 从当前文档对象中取到Setting对象Settings documentSettings = document.Settings;String prompt = "Number of all categories in current Revit document: " + documentSettings.Size+"\n";// 用BuiltInCategory枚举值取到一个对应的Floor Category，打印其名字Category floorCategory = documentSettings.get_Item(BuiltInCategory.OST_Floors);prompt +="Get floor category and show the name: ";prompt += floorCategory.Name;TaskDialog.Show("Revit", prompt);//============代码片段2-19：使用Category ID============Element selectedElement = null;foreach (Element e in document.Selection.Elements){        selectedElement = e;        break;}// 取到当前元素的类别Category category = selectedElement.Category;BuiltInCategory enumCategory = (BuiltInCategory)category.Id.Value;//============代码片段2-20：打印当前文档中的可打印视图============public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData, ref string message, Autodesk.Revit.DB.ElementSet elements){  Document doc = commandData.Application.ActiveUIDocument.Document;  FilteredElementCollector collector = new FilteredElementCollector(doc).OfClass(typeof(ViewPlan));  IList<Element> viewElems = collector.ToElements();  ViewSet printableViews = new ViewSet();  // 找出全部可打印视图  foreach (View view in viewElems)  {     if (!view.IsTemplate && view.CanBePrinted)     {        printableViews.Insert(view);     }  }  PrintManager pm = doc.PrintManager;  pm.PrintRange = PrintRange.Select;  pm.SelectNewPrintDriver(@"\\server\printer01");  pm.Apply();  // 打印全部可打印视图  doc.Print(printableViews);  return IAsyncResult.Succeeded;}//============代码片段2-21：使用事务创建元素============public void CreatingSketch(UIApplication uiApplication){  Document document = uiApplication.ActiveUIDocument.Document;  ApplicationServices.Application application = uiApplication.Application;  // 创建一些几何线，这些线是临时的，所以不需要放在事务中  XYZ Point1 = XYZ.Zero;  XYZ Point2 = new XYZ(10, 0, 0);  XYZ Point3 = new XYZ(10, 10, 0);  XYZ Point4 = new XYZ(0, 10, 0);  Line geomLine1 = Line.CreateBound(Point1, Point2);  Line geomLine2 = Line.CreateBound(Point4, Point3);  Line geomLine3 = Line.CreateBound(Point1, Point4);  // 这个几何平面也是临时的，不需要事务  XYZ origin = XYZ.Zero;  XYZ normal = new XYZ(0, 0, 1);  Plane geomPlane = application.Create.NewPlane(normal, origin);  // 为了创建SketchPlane，我们需要一个事务，因为这个会修改Revit文档模型  // 任何Transaction要放在 “using”中创建  // 来保证它被正确的结束，而不会影响到其他地方  using (Transaction transaction = new Transaction(document))  {     if (transaction.Start("Create model curves") == TransactionStatus.Started)     {        // 在当前文档中创建一个SketchPlane        SketchPlane sketch = SketchPlane.Create(document, geomPlane);        //使用SketchPlane和几何线来创建一个ModelLine        ModelLine line1 = document.Create.NewModelCurve(geomLine1, sketch) as ModelLine;        ModelLine line2 = document.Create.NewModelCurve(geomLine2, sketch) as ModelLine;        ModelLine line3 = document.Create.NewModelCurve(geomLine3, sketch) as ModelLine;        // 询问用户这个修改是否要提交        TaskDialog taskDialog = new TaskDialog("Revit");        taskDialog.MainContent = "Click either [OK] to Commit, or [Cancel] to Roll back the transaction.";        TaskDialogCommonButtons buttons = TaskDialogCommonButtons.Ok | TaskDialogCommonButtons.Cancel;        taskDialog.CommonButtons = buttons;        if (TaskDialogResult.Ok == taskDialog.Show())        {           // 由于种种原因，如果修改或创建的模型不正确，           // 这个Transaction可能不会被正确提交           // 如果一个Transaction失败了或被用户取消了，           // 那么返回的状态就是 RolledBack，而不是Committed。           if (TransactionStatus.Committed != transaction.Commit())           {              TaskDialog.Show("Failure", "Transaction could not be committed");           }        }        else        {           transaction.RollBack();        }     }  }}//============代码片段2-22：使用Assimilate方法============public void CompoundOperation(Autodesk.Revit.DB.Document document){  // 所有TransactionGroup要用“using”来创建来保证它的正确结束  using (TransactionGroup transGroup = new TransactionGroup(document, "Level and Grid"))  {     if (transGroup.Start() == TransactionStatus.Started)     {        // 我们打算调用两个函数，每个都有一个独立的事务        // 我们打算这个组合操作要么成功，要么失败        // 只要其中有一个失败，我们就撤销所有操作        if (CreateLevel(document, 25.0) && CreateGrid(document, new XYZ(0, 0, 0), new XYZ(10, 0, 0)))        {           // Assimilate函数会将这两个事务合并成一个，并只显示TransactionGroup的名字           // 在Undo菜单里           transGroup.Assimilate();        }        else        {           // 如果有一个操作失败了，我们撤销在这个事务组里的所有操作           transGroup.RollBack();        }     }  }}public bool CreateLevel(Autodesk.Revit.DB.Document document, double elevation){  using (Transaction transaction = new Transaction(document, "Creating Level"))  {     // 必须启动事务来修改文档     if (TransactionStatus.Started == transaction.Start())     {        if (null != document.Create.NewLevel(elevation))        {           return (TransactionStatus.Committed == transaction.Commit());        }        // 如果不能创建层，撤销这个事务        transaction.RollBack();     }  }  return false;}public bool CreateGrid(Autodesk.Revit.DB.Document document, XYZ p1, XYZ p2){  using (Transaction transaction = new Transaction(document, "Creating Grid"))  {     if (TransactionStatus.Started == transaction.Start())     {        Line gridLine = Line.CreateBound(p1, p2);        if ((null != gridLine) && (null != document.Create.NewGrid(gridLine)))        {           if (TransactionStatus.Committed == transaction.Commit())           {              return true;           }        }        // 如果不能创建网格，撤销这个事务        transaction.RollBack();     }  }  return false;}//============代码片段2-23：HelloRevit============using System;using Autodesk.Revit.UI;using Autodesk.Revit.DB;namespace HelloRevit{[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]   public class Class1 : IExternalCommand   {      public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit,          ref string message, ElementSet elements)      {         TaskDialog.Show("Revit", "Hello Revit");         return Autodesk.Revit.UI.Result.Succeeded;      }   }}//============代码片段2-24：HelloRevit.addin文件============<?xml version="1.0" encoding="utf-8"?><RevitAddIns>  <AddIn Type="Command">    <Assembly>[dll文件所在路径]\HelloRevit.dll</Assembly>    <ClientId>7d4e1893-3a27-4df2-8075-4fa3754537aa</ClientId>    <FullClassName>HelloRevit.Class1</FullClassName>    <VendorId>ADSK</VendorId>  </AddIn></RevitAddIns>//============代码片段2-25：插件抛出异常============Command: IExternalCommand{  public IExternalCommand.Result Execute ()  {    //抛出异常…  }}//============代码片段2-26：添加Ribbon面板============using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows.Media.Imaging;using Autodesk.Revit.UI;using Autodesk.Revit.DB;namespace HelloRevit{   public class CsAddpanel : Autodesk.Revit.UI.IExternalApplication   {      public Autodesk.Revit.UI.Result OnStartup(UIControlledApplication application)      {         //添加一个新的Ribbon面板         RibbonPanel ribbonPanel = application.CreateRibbonPanel("NewRibbonPanel");         //在新的Ribbon面板上添加一个按钮         //点击这个按钮，前一个例子“HelloRevit”这个插件将被运行。         PushButton pushButton = ribbonPanel.AddItem(new PushButtonData("HelloRevit",             "HelloRevit", @"C:\Projects\HelloRevit\HelloRevit.dll", "HelloRevit.Class1")) as PushButton;         // 给按钮添加一个图片         Uri uriImage = new Uri(@"C:\Projects\HelloRevit\logo.png");         BitmapImage largeImage = new BitmapImage(uriImage);         pushButton.LargeImage = largeImage;         return Result.Succeeded;      }      public Result OnShutdown(UIControlledApplication application)      {         return Result.Succeeded;      }   }}//============代码片段2-27：HelloRevit.addin文件============<?xml version="1.0" encoding="utf-8"?><RevitAddIns>  <AddIn Type="Application">    <Assembly>C:\Projects\HelloRevit\HelloRevit.dll</Assembly>    <AddInId>6cdba932-c058-4ec1-b038-33ed590c41d3</AddInId>    <Name>HelloRevit</Name>    <FullClassName>HelloRevit.CsAddpanel</FullClassName>    <VendorId>ADSK</VendorId>  </AddIn></RevitAddIns>//============代码片段2-28：先选择元素后执行命令============using System;using Autodesk.Revit.UI;using Autodesk.Revit.DB;using Autodesk.Revit.UI.Selection;namespace HelloRevit{   [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)]   public class Class1 : IExternalCommand   {      public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit,          ref string message, ElementSet elements)      {         try         {            //在执行该插件之前，先选择一些元素。本例中选择了四面墙，一条模型线，一条网格线，一个房间，一个房间标签。            //取到当前文档。            UIDocument uidoc = revit.Application.ActiveUIDocument;            //取到当前文档的选择集。            Selection selection = uidoc.Selection;            ElementSet collection = selection.Elements;            if (0 == collection.Size)            {               // 如果在执行该例子之前没有选择任何元素，则会弹出提示.               TaskDialog.Show("Revit", "你没有选任何元素.");            }            else            {               String info = "所选元素类型为: ";               foreach (Element elem in collection)               {                  info += "\n\t" + elem.GetType().ToString();               }               TaskDialog.Show("Revit", info);            }         }         catch (Exception e)         {            message = e.Message;            return Autodesk.Revit.UI.Result.Failed;         }         return Autodesk.Revit.UI.Result.Succeeded;      }   }}//============代码片段2-29：在运行外部命令过程中选取元素============using System;using Autodesk.Revit.UI;using Autodesk.Revit.DB;using Autodesk.Revit.UI.Selection;namespace HelloRevit{   [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)]   public class Class1 : IExternalCommand   {      public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit,          ref string message, ElementSet elements)      {         try         {            Document document = revit.Application.ActiveUIDocument.Document;            // 点选指定类型的元素。本例中指定的类型为元素整体。            Reference pickedElemRef = this.Selection.PickObject(ObjectType.Element);            // 通过引用取到选中的元素。            Element elem = this.Document.GetElement(pickedElemRef.ElementId);            String info = "所选元素类型为: ";            info += "\n\t" + elem.GetType().ToString();            TaskDialog.Show("Revit", info);         }         catch (Exception e)         {            message = e.Message;            return Autodesk.Revit.UI.Result.Failed;         }         return Autodesk.Revit.UI.Result.Succeeded;      }   }}//============代码片段2-30：通过过滤器取到元素============using System;using Autodesk.Revit.UI;using Autodesk.Revit.DB;using Autodesk.Revit.UI.Selection;using System.Collections.Generic;namespace HelloRevit{ [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)]   public class Class1 : IExternalCommand   {      public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit,          ref string message, ElementSet elements)      {         try         {            Document document = revit.Application.ActiveUIDocument.Document;            // 创建一个类过滤器来过滤出所有的FamilyInstance类的元素。            ElementClassFilter familyInstanceFilter = new  ElementClassFilter(typeof(FamilyInstance));            // 创建一个类别过滤器来过滤出所有的内建类型为OST_Doors的元素。            ElementCategoryFilter doorsCategoryfilter =                new ElementCategoryFilter(BuiltInCategory.OST_Doors);            // 创建一个逻辑过滤器来组合前面两个过滤器，实现过滤出所有Door元素。            LogicalAndFilter doorInstancesFilter =                new LogicalAndFilter(familyInstanceFilter, doorsCategoryfilter);            FilteredElementCollector collector = new FilteredElementCollector(document);            ICollection<ElementId> doors = collector.WherePasses(doorInstancesFilter).ToElementIds();            String prompt = "The ids of the doors in the current document are:";            foreach (ElementId id in doors)            {               prompt += "\n\t" + id.IntegerValue;            }            TaskDialog.Show("Revit", prompt);         }         catch (Exception e)         {            message = e.Message;            return Autodesk.Revit.UI.Result.Failed;         }         return Autodesk.Revit.UI.Result.Succeeded;      }   }}//============代码片段3-1通过Id获取元素============ElementId levelId = new ElementId(30);Element element = RevitDoc.GetElement(levelId);Level level = element as Level;if(level != null){   //使用level}//============代码片段3-2 过滤所有外墙============FilteredElementCollector filteredElements = new FilteredElementCollector(RevitDoc);ElementClassFilter classFilter = new ElementClassFilter(typeof(Wall));filteredElements = filteredElements.WherePasses(classFilter);foreach (Wall wall in filteredElements){   // 获取墙类型“功能”参数，它用来指示墙是否为外墙。   var functionParameter = wall.WallType.get_Parameter(BuiltInParameter.FUNCTION_PARAM);   if (functionParameter != null && functionParameter.StorageType == StorageType.Integer)   {      if (functionParameter.AsInteger() == (int)WallFunction.Exterior)      {         // 使用wall      }   }}//============代码片段3-3 获取被选元素============[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]public class MyExternalCommand : Autodesk.Revit.UI.IExternalCommand{   public Autodesk.Revit.UI.Result Execute(Autodesk.Revit.UI.ExternalCommandData commandData,      ref string message, ElementSet elements)   {      if (commandData.Application.ActiveUIDocument != null)      {         foreach (Element selected in            commandData.Application.ActiveUIDocument.Selection.Elements)         {            Wall wall = selected as Wall;            if(wall != null)            {               //使用wall            }         }      }      return Autodesk.Revit.UI.Result.Succeeded;   }}//============代码片段3-4 获取“长度”参数============ParameterSet parameters = element.Parameters;foreach (Parameter parameter in parameters){   if(parameter.Definition.Name == "长度" && parameter.StorageType == StorageType.Double)   {      double length = parameter.AsDouble();      // 使用length      break;   }}//============代码片段3-5 使用BuiltInParameter获取长度============Wall wall = null;Parameter parameterLength = wall.get_Parameter(BuiltInParameter.CURVE_ELEM_LENGTH);if (parameterLength != null && parameterLength.StorageType == StorageType.Double){   double length = parameterLength.AsDouble();   // 使用length}//============代码片段3-6 修改参数============Parameter parameterBaseOffset = wall.get_Parameter(BuiltInParameter.WALL_BASE_OFFSET);if (parameterBaseOffset != null && parameterBaseOffset.StorageType == StorageType.Double){   if (!parameterBaseOffset.IsReadOnly)   {      bool success = parameterBaseOffset.Set(10);      if (!success)      {         // 更新错误报告      }   }   else   {      // 参数是只读的   }}//============代码片段3-7 获取共享参数============// 打开共享参数文件DefinitionFile definitionFile = RevitApp.OpenSharedParameterFile();// 获取参数组的集合DefinitionGroups groups = definitionFile.Groups;foreach (DefinitionGroup group in groups){   // 获取参数组内的参数定义   foreach (Definition definition in group.Definitions)   {      string name = definition.Name;      ParameterType type = definition.ParameterType;      // 对参数定义的其他操作   }}//============代码片段3-8 创建共享参数============string sharedParametersFilename = @"C:\shared-parameters.txt";string groupName = "MyGroup";string definitionName = "MyDefinition";ParameterType parameterType = ParameterType.Text;CategorySet categorySet = new CategorySet();Category wallCategory = RevitDoc.Settings.Categories.get_Item(BuiltInCategory.OST_Walls);categorySet.Insert(wallCategory);bool instanceParameter = true;BuiltInParameterGroup parameterGroup = BuiltInParameterGroup.PG_DATA;if (!System.IO.File.Exists(sharedParametersFilename)){   try   {      System.IO.StreamWriter sw = System.IO.File.CreateText(sharedParametersFilename);      sw.Close();   }   catch (Exception)   {      throw new Exception("Can't create shared parameter file: " + sharedParametersFilename);   }}// 设置共享参数文件RevitApp.SharedParametersFilename = sharedParametersFilename;// 打开共享参数文件DefinitionFile definitionFile = RevitApp.OpenSharedParameterFile();if (definitionFile == null){   throw new Exception("Can not open shared parameter file!");}// 获取参数组的集合DefinitionGroups groups = definitionFile.Groups;// 获取参数组DefinitionGroup group = groups.get_Item(groupName);if (null == group){   // 如果参数组不存在，则创建一个   group = groups.Create(groupName);}if (null == group)   throw new Exception("Failed to get or create group: " + groupName);// 获取参数定义Definition definition = group.Definitions.get_Item(definitionName);if (definition == null){   // 如果参数定义不存在，则创建一个   definition = group.Definitions.Create(definitionName, parameterType);}// 调用不同的函数创建类型参数或者实例参数ElementBinding binding = null;if (instanceParameter){   binding = RevitApp.Create.NewInstanceBinding(categorySet);}else{   binding = RevitApp.Create.NewTypeBinding(categorySet);}// 把参数定义和类别绑定起来（下面的小节会提到“绑定”），元素的新的参数就创建成功了。bool insertSuccess = RevitDoc.ParameterBindings.Insert(definition, binding, parameterGroup);if (!insertSuccess){   throw new Exception("Failed to bind definition to category");}//============代码片段3-9 获取类别和参数的绑定============BindingMap map = RevitDoc.ParameterBindings;DefinitionBindingMapIterator dep = map.ForwardIterator();while (dep.MoveNext()){   Definition definition = dep.Key;   // 获取参数定义的基本信息   string definitionName = definition.Name;   ParameterType parameterType = definition.ParameterType;   // 几乎都可以转型为InstanceBinding，笔者没有碰到过其他情况，如有例外，请联系我们。   InstanceBinding instanceBinding = dep.Current as InstanceBinding;   if (instanceBinding != null)   {      // 获取绑定的类别列表      CategorySet categorySet = instanceBinding.Categories;   }}//============代码片段3-10 判断共享参数和项目参数============Parameter parameter;InternalDefinition definition = parameter.Definition as InternalDefinition;bool isSharedParameter = parameter.IsShared; //共享参数bool isProjectParameter = definition.BuiltInParameter == BuiltInParameter.INVALID && !parameter.IsShared; //项目参数//============代码片段3-11 获取分析模型的几何信息============Element element = RevitDoc.GetElement(new ElementId(183554));if (element == null) return;AnalyticalModel analyticalModel = element.GetAnalyticalModel();if(analyticalModel.IsSingleCurve()){   Curve curve = analyticalModel.GetCurve();   // work with curve}else if(analyticalModel.IsSinglePoint()){   XYZ p = analyticalModel.GetPoint();   // work with point}else{   IList<Curve> curves = analyticalModel.GetCurves(AnalyticalCurveType.ActiveCurves);   // work with curves}//============代码片段3-12 放置类型为"0762 x 2032 mm"的门============string doorTypeName = "0762 x 2032 mm";FamilySymbol doorType = null;// 在文档中找到名字为"0762 x 2032 mm"的门类型ElementFilter doorCategoryFilter = new ElementCategoryFilter(BuiltInCategory.OST_Doors);ElementFilter familySymbolFilter = new ElementClassFilter(typeof(FamilySymbol));LogicalAndFilter andFilter = new LogicalAndFilter(doorCategoryFilter, familySymbolFilter);FilteredElementCollector doorSymbols = new FilteredElementCollector(RevitDoc);doorSymbols = doorSymbols.WherePasses(andFilter);bool symbolFound = false;foreach (FamilySymbol element in doorSymbols){   if (element.Name == doorTypeName)   {      symbolFound = true;      doorType = element;      break;   }}// 如果没有找到，就加载一个族文件if (!symbolFound){   string file = @"C:\ProgramData\Autodesk\RVT 2014\Libraries\Chinese_INTL\门\M_单-嵌板 4.rfa";   Family family;   bool loadSuccess = RevitDoc.LoadFamily(file, out family);   if (loadSuccess)   {      foreach (ElementId doorTypeId in family.GetValidTypes())      {         doorType = RevitDoc.GetElement(doorTypeId) as FamilySymbol;         if (doorType != null)         {            if (doorType.Name == doorTypeName)            {               break;            }         }      }   }   else   {      Autodesk.Revit.UI.TaskDialog.Show("Load family failed", "Could not load family file '" + file + "'");   }}// 使用族类型创建门if (doorType != null){   // 首先找到线形的墙   ElementFilter wallFilter = new ElementClassFilter(typeof(Wall));   FilteredElementCollector filteredElements = new FilteredElementCollector(RevitDoc);   filteredElements = filteredElements.WherePasses(wallFilter);   Wall wall = null;   Line line = null;   foreach (Wall element in filteredElements)   {      LocationCurve locationCurve = element.Location as LocationCurve;      if (locationCurve != null)      {         line = locationCurve.Curve as Line;         if (line != null)         {            wall = element;            break;         }      }   }   // 在墙的中心位置创建一个门   if (wall != null)   {      XYZ midPoint = (line.get_EndPoint(0) + line.get_EndPoint(1)) / 2;      Level wallLevel = RevitDoc.GetElement(wall.LevelId) as Level;      //创建门：传入标高参数，作为门的默认标高      FamilyInstance door = RevitDoc.Create.NewFamilyInstance(midPoint, doorType, wall, wallLevel, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);      Autodesk.Revit.UI.TaskDialog.Show("Succeed", door.Id.ToString());      Trace.WriteLine("Door created: " + door.Id.ToString());   }   else   {      Autodesk.Revit.UI.TaskDialog.Show("元素不存在", "没有找到符合条件的墙");   }}else{   Autodesk.Revit.UI.TaskDialog.Show("族类型不存在", "没有找到族类型'" + doorTypeName + "'");}//============代码片段3-13 创建拉伸实体族============//创建族文档Document familyDoc = RevitApp.NewFamilyDocument(@"C:\ProgramData\Autodesk\RVT 2014\Family Templates\Chinese\公制常规模型.rft");using (Transaction transaction = new Transaction(familyDoc)){   transaction.Start("Create family");   CurveArray curveArray = new CurveArray();   curveArray.Append(Line.CreateBound(new XYZ(0, 0, 0), new XYZ(5, 0, 0)));   curveArray.Append(Line.CreateBound(new XYZ(5, 0, 0), new XYZ(5, 5, 0)));   curveArray.Append(Line.CreateBound(new XYZ(5, 5, 0), new XYZ(0, 5, 0)));   curveArray.Append(Line.CreateBound(new XYZ(0, 5, 0), new XYZ(0, 0, 0)));   CurveArrArray curveArrArray = new CurveArrArray();   curveArrArray.Append(curveArray);   //创建一个拉伸实体   familyDoc.FamilyCreate.NewExtrusion(true, curveArrArray, SketchPlane.Create(familyDoc, RevitApp.Create.NewPlane(new XYZ(0, 0, 1), XYZ.Zero)), 10);   //创建一个族类型   familyDoc.FamilyManager.NewType("MyNewType");   transaction.Commit();   familyDoc.SaveAs("MyNewFamily.rfa");   familyDoc.Close();}//============代码片段3-14 复制墙类型============Wall wall = RevitDoc.GetElement(new ElementId(185521)) as Wall;WallType wallType = wall.WallType;ElementType duplicatedWallType = wallType.Duplicate(wallType.Name + " (duplicated)");//============代码片段3-15：元素编辑============Document projectDoc = ActiveUIDocument.Document;           using(Transaction moveColumnTran = new Transaction(projectDoc, "Move a new column to the new place")){ moveColumnTran.Start();                // 获取Revit文档的创建句柄 Autodesk.Revit.Creation.Document creater = projectDoc.Create; // 创建一根柱子：使用给定的位置（坐标原点），柱子类型和标高（高度为0） XYZ origin = new XYZ(0, 0, 0); Level level = GetALevel(projectDoc); FamilySymbol columnType = GetAColumnType(projectDoc); FamilyInstance column = creater.NewFamilyInstance(origin, columnType, level, Autodesk.Revit.DB.Structure.StructuralType.Column); // 把柱子移动到新的位置 XYZ newPlace = new XYZ(10, 20, 30); ElementTransformUtils.MoveElement(projectDoc, column.Id, newPlace);            moveColumnTran.Commit();       }//============代码片段3-16：元素编辑============Wall wall = element as Wall;if (null != wall){    LocationCurve wallLine = wall.Location as LocationCurve;    XYZ newPlace = new XYZ(10, 20, 0);    wallLine.Move(newPlace);}//============代码片段3-17：元素编辑============using(Transaction tran = new Transaction(projectDoc, "Change the wall's curve with a new location line.")){ tran.Start();                LocationCurve wallLine = wall.Location as LocationCurve; XYZ p1 = XYZ.Zero; XYZ p2 = new XYZ(10, 20, 0); Line newWallLine = Line.CreateBound(p1, p2); // 把墙的位置线换成新的线 wallLine.Curve = newWallLine;             tran.Commit();}//============代码片段3-18：元素编辑============FamilyInstance column = element as FamilyInstance;if (null != column){    LocationPoint columnPoint = column.Location as LocationPoint;    XYZ newLocation = new XYZ(10, 20, 0);    // 移动柱子到新的位置（10,20,0）    columnPoint.Point = newLocation;}//============代码片段3-19：元素编辑============using(Transaction tran = new Transaction(projectDoc, "Rotate the wall.")){  tran.Start();  LocationCurve wallLine = wall.Location as LocationCurve;  XYZ p1 = wallLine.Curve.GetEndPoint(0);  XYZ p2 = new XYZ(p1.X, p1.Y, 30);  Line axis = Line.CreateBound(p1, p2);  ElementTransformUtils.RotateElement(projectDoc, wall.Id, axis, Math.PI / 3.0);  tran.Commit();}//============代码片段3-20：元素编辑============Document projectDoc = ActiveUIDocument.Document;            using(Transaction tran = new Transaction(projectDoc, "Rotate the wall and the column.")){   tran.Start();                   Wall wall = projectDoc.GetElement(new ElementId(184163)) as Wall;                   XYZ aa = XYZ.Zero;   XYZ cc = XYZ.Zero;   // 通过元素的位置线来旋转元素   LocationCurve curve = wall.Location as LocationCurve;   if (null != curve)   {       Curve line = curve.Curve;       aa = line.GetEndPoint(0);       cc = new XYZ(aa.X, aa.Y, aa.Z + 10);       Line axis = Line.CreateBound(aa, cc);       curve.Rotate(axis, Math.PI / 2.0);   }                   FamilyInstance column = projectDoc.GetElement(new ElementId(184150)) as FamilyInstance;                   // 通过元素的位置点来旋转元素   LocationPoint point = column.Location as LocationPoint;   if (null != point)   {        aa = point.Point;        cc = new XYZ(aa.X, aa.Y, aa.Z + 10);        Line axis = Line.CreateBound(aa, cc);        point.Rotate(axis, Math.PI / 3.0);   }   tran.Commit();}//============代码片段3-21：元素编辑============using(Transaction tran = new Transaction(projectDoc, "Mirror the column.")){  tran.Start();                  FamilyInstance column = projectDoc.GetElement(new ElementId(184150)) as FamilyInstance;  if (null != column)  {     Plane plane = new Plane(XYZ.BasisX, XYZ.Zero);     if(ElementTransformUtils.CanMirrorElement(projectDoc, column.Id))     {        ElementTransformUtils.MirrorElement(projectDoc, column.Id, plane);     }  }  tran.Commit();}//============代码片段3-22：元素编辑============Document projectDoc = ActiveUIDocument.Document;Wall wall = projectDoc.GetElement(new ElementId(184163)) as Wall;using(Transaction tran = new Transaction(projectDoc, "Delete the wall.")){    tran.Start();    // 删除选择的元素：墙    ICollection<ElementId> deletedElements = projectDoc.Delete(wall.Id);    tran.Commit();}//============代码片段3-23：元素编辑============Document projectDoc = ActiveUIDocument.Document;List<ElementId> elementsToDelete = new List<ElementId>();             using(Transaction tran = new Transaction(projectDoc, "Delete the selected elements.")) {     tran.Start();     foreach (Element elem in ActiveUIDocument.Selection.Elements)     {         elementsToDelete.Add(elem.Id);     }      ICollection<ElementId> deletedElements = projectDoc.Delete(elementsToDelete);      tran.Commit(); }//============代码片段3-24：元素编辑============Document projectDoc = ActiveUIDocument.Document;List<ElementId> elementsToGroup = new List<ElementId>();using(Transaction tran = new Transaction(projectDoc, "Group the selected elements.")){tran.Start();foreach (Element elem in ActiveUIDocument.Selection.Elements){   elementsToGroup.Add(elem.Id);}Group group = projectDoc.Create.NewGroup(elementsToGroup);tran.Commit();}//============代码片段3-25：元素编辑============         // 把默认的组合名字改成新的名字：“MyGroup”  group.GroupType.Name = "MyGroup";//============代码片段3-26：元素编辑============ public void ArraryElements() {    Document projectDoc = ActiveUIDocument.Document;    Wall wall = projectDoc.GetElement(new ElementId(2307)) as Wall;    using(Transaction tran = new Transaction(projectDoc, "LinearArray the wall."))    {       tran.Start();       XYZ translation = new XYZ(0,10,0);       LinearArray.Create(projectDoc, projectDoc.ActiveView, wall.Id, 3, translation, ArrayAnchorMember.Second);       tran.Commit();     } }//============代码片段3-27：元素编辑============class projectFamLoadOption : IFamilyLoadOptions{    bool IFamilyLoadOptions.OnFamilyFound(bool familyInUse, out bool overwriteParameterValues)    {        overwriteParameterValues = true;        return true;    }    bool IFamilyLoadOptions.OnSharedFamilyFound(Family sharedFamily, bool familyInUse, out FamilySource source, out bool overwriteParameterValues)    {        source = FamilySource.Project;        overwriteParameterValues = true;        return true;    }};//============代码片段3-28：元素编辑============       Document projectDoc = ActiveUIDocument.Document;// 这里是自定义族实例，比如门，窗，桌子…         FamilyInstance famInst = elem as FamilyInstance;// 编辑族，拿到族文档Document familyDoc = projectDoc.EditFamily(famInst.Symbol.Family);// 在族文档中添加一个新的参数using(Transaction tran = new Transaction(projectDoc, "Edit family Document.")){  tran.Start();  string paramName = "MyParam ";  familyDoc.FamilyManager.AddParameter(paramName, BuiltInParameterGroup.PG_TEXT, ParameterType.Text, false);  tran.Commit();}// 将这些修改重新载入到工程文档中Family loadedFamily = familyDoc.LoadFamily(RevitDoc, new projectFamLoadOption());//============代码片段3-29：元素编辑============public void CreatReferencePlane(){   Document doc = this.ActiveUIDocument.Document;       if(!doc.IsFamilyDocument)      return;               using(Transaction transaction = new Transaction(doc, "Editing Family"))   {      transaction.Start();      XYZ bubbleEnd = new XYZ(0,5,5);      XYZ freeEnd = new XYZ(5, 5, 5);      XYZ cutVector = XYZ.BasisY;      View view = doc.ActiveView;      ReferencePlane referencePlane = doc.FamilyCreate.NewReferencePlane(bubbleEnd, freeEnd, cutVector, view);      referencePlane.Name = "MyReferencePlane";      transaction.Commit();                   }}//============代码片段3-30：元素编辑============public void ChangeModelCurveToReferenceLine(){                Document doc = this.ActiveUIDocument.Document;        ModelCurve modelCurve = doc.GetElement(new ElementId(2910)) as ModelCurve;    using(Transaction transaction = new Transaction(doc, "Change model curve to reference line."))    {        transaction.Start();        modelCurve.ChangeToReferenceLine();        transaction.Commit();                    }            }//============代码片段3-31：元素编辑============public void CreateModelCurve(){   Document doc = this.ActiveUIDocument.Document;       // 在族文档中找到名字为"Ref. Level"的标高   FilteredElementCollector collector = new FilteredElementCollector(doc);   collector = collector.OfCategory(BuiltInCategory.OST_Levels);   var levelElements = from element in collector where element.Name == "Ref. Level" select element;     List<Autodesk.Revit.DB.Element> levels = levelElements.ToList<Autodesk.Revit.DB.Element>();           if(levels.Count <= 0)      return;               Level refLevel = levels[0] as Level;               // 创建一条几何直线，一个基于标高的草图平面，然后在这个草图平面上创建一条模型线.   using(Transaction trans = new Transaction(doc, "Create model line."))   {      trans.Start();          Line line = Line.CreateBound(XYZ.Zero, new XYZ(10,10,0));      SketchPlane sketchPlane = SketchPlane.Create(doc, refLevel.Id);              ModelCurve modelLine = doc.FamilyCreate.NewModelCurve(line, sketchPlane);     trans.Commit();   }}//============代码片段3-32：元素编辑============public void CreateSketchPlaneByPlane(){   Document doc = this.ActiveUIDocument.Document;       using(Transaction trans = new Transaction(doc, "Create model arc."))   {     trans.Start();         Plane plane = this.Application.Create.NewPlane(XYZ.BasisZ, XYZ.Zero);     SketchPlane sketchPlane = SketchPlane.Create(doc, plane);                 Arc arc = Arc.Create(plane, 5, 0, Math.PI * 2);     ModelCurve modelCircle = doc.FamilyCreate.NewModelCurve(arc, sketchPlane);     trans.Commit();   }}//============代码片段3-33：元素编辑============public void GetSketchFromExtrusion(){    Document doc = this.ActiveUIDocument.Document;    Extrusion extrusion = doc.GetElement(new ElementId(3388)) as Extrusion;    SketchPlane sketchPlane = extrusion.Sketch.SketchPlane;    CurveArrArray sketchProfile = extrusion.Sketch.Profile;}//============代码片段3-34：元素过滤器============FilteredElementCollector collection = new FilteredElementCollector(RevitDoc);ElementFilter filter = new ElementCategoryFilter(BuiltInCategory.OST_StackedWalls);collection.OfClass(typeof(Wall)).WherePasses(filter);ICollection<ElementId> foundIds = collection.ToElementIds();//============代码片段3-35：元素过滤器============FilteredElementCollector collector = new FilteredElementCollector(m_doc); // 查询并遍历文档中所有的Levelcollector.WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_Levels)).WhereElementIsNotElementType();foreach(Level level in collector){    TaskDialog.Show("Level Name", level.Name);}//============代码片段3-36：元素过滤器============FilteredElementCollector collector = new FilteredElementCollector(m_doc); // 首先使用一个内建的过滤器来减少后面使用LINQ查询的元素数量collector.WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_Levels));// LINQ查询：找到名字为"Level 1"的标高var levelElements = from element in collector                    where element.Name == "Level 1"                    select element;  List<Autodesk.Revit.DB.Element> levels = levelElements.ToList<Autodesk.Revit.DB.Element>(); ElementId level1Id = levels[0].Id;//============代码片段3-37：元素过滤器============/// <summary>/// 使用ElementCategoryFilter过滤元素/// </summary>void TestElementCategoryFilter(Document doc){   // 找到所有属于墙类别的元素：墙实例和墙类型都将会被过滤出来   FilteredElementCollector collector = new FilteredElementCollector(doc);   ElementCategoryFilter filter = new ElementCategoryFilter(BuiltInCategory.OST_Walls);   ICollection<Element> founds = collector.WherePasses(filter).ToElements();   foreach (Element elem in founds)   {     Trace.WriteLine(String.Format("  Element id: {0}, type: {1}", elem.Id.IntegerValue, elem.GetType().Name));   }}//============代码片段3-38：元素过滤器============/// <summary>/// 使用ElementClassFilter过滤元素/// </summary>void TestElementClassFilter(Document doc){  // 找到所有属于FamilySymbol的元素：元素的子类也将被过滤出来  FilteredElementCollector collector = new FilteredElementCollector(doc);  ElementClassFilter filter = new ElementClassFilter(typeof(FamilySymbol));  ICollection<ElementId> founds = collector.WherePasses(filter).ToElementIds();  Trace.WriteLine(String.Format("  Found {0} FamilySymbols.", founds.Count));}//============代码片段3-39：元素过滤器============/// <summary>/// 使用ElementIsElementTypeFilter过滤元素/// </summary>void TestElementIsElementTypeFilter(Document doc){  // 找到所有属于ElementType的元素  FilteredElementCollector collector = new FilteredElementCollector(doc);  ElementIsElementTypeFilter filter = new ElementIsElementTypeFilter();  ICollection<ElementId> founds = collector.WherePasses(filter).ToElementIds();    Trace.WriteLine(String.Format("  Found {0} ElementTypes.", founds.Count));}//============代码片段3-40：元素过滤器============/// <summary>/// 使用FamilySymbolFilter过滤元素/// </summary>void TestFamilySymbolFilter(Document doc){  // 找到当前文档中族实例所对应的族类型  FilteredElementCollector collector = new FilteredElementCollector(doc);  ICollection<ElementId> famIds = collector.OfClass(typeof(Family)).ToElementIds();  foreach (ElementId famId in famIds)  {    collector = new FilteredElementCollector(doc);    FamilySymbolFilter filter = new FamilySymbolFilter(famId);    int count = collector.WherePasses(filter).ToElementIds().Count;    Trace.WriteLine(String.Format("  {0} FamilySybmols belong to Family {1}.", count, famId.IntegerValue));  }}//============代码片段3-41：元素过滤器============/// <summary>/// 使用ExclusionFilter过滤元素/// </summary>void TestExclusionFilter(Document doc){  // 找到所有除族类型FamilySymbol外的元素类型ElementType  FilteredElementCollector collector = new FilteredElementCollector(doc);  ICollection<ElementId> excludes = collector.OfClass(typeof(FamilySymbol)).ToElementIds();      // 创建一个排除族类型FamilySymbol的过滤器  ExclusionFilter filter = new ExclusionFilter(excludes);  ICollection<ElementId> founds = collector.WhereElementIsElementType().WherePasses(filter).ToElementIds();  Trace.WriteLine(String.Format("  Found {0} ElementTypes which are not FamilySybmols", founds.Count));}//============代码片段3-42：元素过滤器============/// <summary>/// 使用ElementLevelFilter过滤元素/// </summary>void TestElementLevelFilter(Document doc){  // 找到当前所有标高对应的所有元素  FilteredElementCollector collector = new FilteredElementCollector(doc);  ICollection<ElementId> levelIds = collector.OfClass(typeof(Level)).ToElementIds();  foreach (ElementId levelId in levelIds)  {    collector = new FilteredElementCollector(doc);    ElementLevelFilter filter = new ElementLevelFilter(levelId);    ICollection<ElementId> founds = collector.WherePasses(filter).ToElementIds();    Trace.WriteLine(String.Format("  {0} Elements are associated to Level {1}.", founds.Count, levelId.IntegerValue));  }}//============代码片段3-43：元素过滤器============/// <summary>/// 使用ElementParameterFilter过滤元素/// </summary>void TestElementParameterFilter(Document doc){  // 找到所有id大于99的元素  BuiltInParameter testParam = BuiltInParameter.ID_PARAM;  // 提供者  ParameterValueProvider pvp = new ParameterValueProvider(new ElementId((int)testParam));  // 评估者  FilterNumericRuleEvaluator fnrv = new FilterNumericGreater();  // 规则值     ElementId ruleValId = new ElementId(99); // Id 大于 99  // 创建规则过滤器及对应的元素参数过滤器  FilterRule fRule = new FilterElementIdRule(pvp, fnrv, ruleValId);  ElementParameterFilter filter = new ElementParameterFilter(fRule);  FilteredElementCollector collector = new FilteredElementCollector(doc);  ICollection<Element> founds = collector.WherePasses(filter).ToElements();  foreach (Element elem in founds)  {    Trace.WriteLine(String.Format("  Element id: {0}", elem.Id.IntegerValue));  }}//============代码片段3-44：元素过滤器============/// <summary>/// 使用FamilyInstanceFilter过滤元素/// </summary>void TestFamilyInstanceFilter(Document doc){  // 找到名字"W10X49"的族类型  FilteredElementCollector collector = new FilteredElementCollector(Document);  collector = collector.OfClass(typeof(FamilySymbol));  var query = from element in collector      where element.Name == "W10X49"      select element; // Linq 查询  List<Autodesk.Revit.DB.Element> famSyms = query.ToList<Autodesk.Revit.DB.Element>();  ElementId symbolId = famSyms[0].Id;      // 创建过滤器并找到该族类型对应的所有族实例  collector = new FilteredElementCollector(doc);  FamilyInstanceFilter filter = new FamilyInstanceFilter(doc, symbolId);  ICollection<Element> founds = collector.WherePasses(filter).ToElements();  foreach (FamilyInstance inst in founds)  {    Trace.WriteLine(String.Format("  FamilyInstance {0}, FamilySybmol Id {1}, Name: {2}",inst.Id.IntegerValue, inst.Symbol.Id.IntegerValue, inst.Symbol.Name));  }}//============代码片段3-45：元素过滤器============      ///  /// <summary>/// 使用CurveElementFilter 过滤元素/// </summary>void TestCurveElementFilter(Document doc){    // 找到所有线元素类型对应的线型元素    Array stTypes = Enum.GetValues(typeof(CurveElementType));    foreach (CurveElementType tstType in stTypes)    {        if (tstType == CurveElementType.Invalid) continue;        FilteredElementCollector collector = new FilteredElementCollector(Document);        CurveElementFilter filter = new CurveElementFilter(tstType);        int foundNum = collector.WherePasses(filter).ToElementIds().Count;        Trace.WriteLine(String.Format(" {0}: elements amount {1}", tstType.GetType().Name, foundNum));    }}//============代码片段3-46：元素过滤器============/// <summary>/// 使用LogicalOrFilter过滤元素/// </summary>void TestLogicalOrFilter(Document doc){  // 情形 1: 合并两个过滤器 ->    // 找到所有属于墙类别或者属于标高类别的元素  ElementCategoryFilter filterWall = new ElementCategoryFilter(BuiltInCategory.OST_Walls);  ElementCategoryFilter filterLevel = new ElementCategoryFilter(BuiltInCategory.OST_Levels);  LogicalOrFilter orFilter = new LogicalOrFilter(filterWall, filterLevel);  FilteredElementCollector collector = new FilteredElementCollector(doc);  ICollection<Element> founds = collector.WherePasses(orFilter).ToElements();  foreach(Element elem in founds)  {    Trace.WriteLine(String.Format("  Element Id {0}, type {1}", elem.Id.IntegerValue, elem.GetType()));  }      // 情形 2: 合并两个过滤器集合 -> 找到所有属于传入类型的元素  Type[] elemTypes = { typeof(Wall), typeof(Level), typeof(Floor), typeof(Rebar), typeof(MEPSystem)};  List<ElementFilter> filterSet = new List<ElementFilter>();  foreach (Type elemType in elemTypes)  {    ElementClassFilter filter = new ElementClassFilter(elemType);    filterSet.Add(filter);  }  orFilter = new LogicalOrFilter(filterSet);  collector = new FilteredElementCollector(doc);  founds = collector.WherePasses(orFilter).ToElements();  foreach (Element elem in founds)  {    Trace.WriteLine(String.Format("  Element Id {0}, type {1}", elem.Id.IntegerValue, elem.GetType().Name));  }}//============代码片段3-47：元素过滤器============/// <summary>/// 使用LogicalAndFilter过滤器/// </summary>void TestLogicalAndFilter(Document doc){  // 情形 1: 合并两个过滤器 -> 找到所有符合特定设计选项的墙  ElementClassFilter wallFilter = new ElementClassFilter(typeof(Wall));  FilteredElementCollector collector = new FilteredElementCollector(doc);  ICollection<ElementId> designOptIds = collector.OfClass(typeof(DesignOption)).ToElementIds();  foreach(ElementId curId in designOptIds)  {    ElementDesignOptionFilter designFilter = new ElementDesignOptionFilter(curId);    LogicalAndFilter andFilter = new LogicalAndFilter(wallFilter, designFilter);    collector = new FilteredElementCollector(doc);    int wallCount = collector.WherePasses(andFilter).ToElementIds().Count;    Trace.WriteLine(String.Format("  {0} Walls belong to DesignOption {1}.", wallCount, curId.IntegerValue));  }      // 情形 2: 找到所有符合特定设计选项并且其StructuralWallUsage 属于承重的墙  foreach (ElementId curId in designOptIds)  {    // 构造逻辑与过滤器    List<ElementFilter> filters = new List<ElementFilter>();    filters.Add(wallFilter);    filters.Add(new ElementDesignOptionFilter(curId));    filters.Add(new StructuralWallUsageFilter(StructuralWallUsage.Bearing));    LogicalAndFilter andFilter = new LogicalAndFilter(filters);            // 应用该过滤器并遍历获取到的元素    collector = new FilteredElementCollector(doc);    int wallCount = collector.WherePasses(andFilter).ToElementIds().Count;    Trace.WriteLine(String.Format("  {0} Bearing Walls belong to DesignOption {1}.", wallCount, curId.IntegerValue));  }}//============代码片段3-48：元素过滤器============  FilteredElementCollector collector = new FilteredElementCollector(document);  // 找到所有符合某种特定设计选项的墙  optionICollection<ElementId> walls =    collector.OfClass(typeof(Wall)).ContainedInDesignOption(myDesignOptionId).ToElementIds();//============代码片段4-1 修改标高的基面============LevelType levelType = RevitDoc.GetElement(level.GetTypeId()) as LevelType;Parameter relativeBaseType = levelType.get_Parameter(BuiltInParameter.LEVEL_RELATIVE_BASE_TYPE);relativeBaseType.Set(1); //项目基点 = 0, 测量点 = 1//============代码片段4-2 创建标高============using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create Level");   Level level = RevitDoc.Create.NewLevel(10.0);   transaction.Commit();}//============代码片段4-3 创建标高对应的视图============Level level; //已知的标高//过滤出所有的ViewFamilyTypevar classFilter = new ElementClassFilter(typeof(ViewFamilyType));FilteredElementCollector filteredElements = new FilteredElementCollector(RevitDoc);filteredElements = filteredElements.WherePasses(classFilter);foreach (ViewFamilyType viewFamilyType in filteredElements){   //找到ViewFamily类型是FloorPlan或者CeilingPlan的ViewFamilyType   if (viewFamilyType.ViewFamily == ViewFamily.FloorPlan ||      viewFamilyType.ViewFamily == ViewFamily.CeilingPlan)   {      transaction.Start("Create view of type " + viewFamilyType.ViewFamily);      //创建视图      ViewPlan view = ViewPlan.Create(RevitDoc, viewFamilyType.Id, level.Id);      transaction.Commit();   }}//============代码片段4-4 创建轴网============using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create Grid");   Grid grid = RevitDoc.Create.NewGrid(      Line.CreateBound(new XYZ(0, 0, 0), new XYZ(10, 10, 0)));   grid.Name = "BB";   transaction.Commit();}//============代码片段4-5 获取墙每层厚度和材质============Wall wall = GetElement(RevitDoc, new ElementId(732980)) as Wall;CompoundStructure compoundStructure = wall.WallType.GetCompoundStructure();if (compoundStructure == null)   return;if (compoundStructure.LayerCount > 0){   foreach (CompoundStructureLayer compoundStructureLayer in compoundStructure.GetLayers())   {      //获取材质和厚度      ElementId materialId = compoundStructureLayer.MaterialId;      double layerWidth = compoundStructureLayer.Width;   }}//============代码片段4-6 获取楼板的上表面============Floor floor = GetElement<Floor>(185601);// 获取一个楼板面的引用IList<Reference> references = HostObjectUtils.GetTopFaces(floor);if (references.Count == 1){   var reference = references[0];   // 从引用获取面的几何对象，这里是一个PlanarFace   GeometryObject topFaceGeo = floor.GetGeometryObjectFromReference(reference);   // 转型成我们想要的对象   PlanarFace topFace = topFaceGeo as PlanarFace;}//============代码片段4-7 创建默认墙============ElementId levelId = new ElementId(311);using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create wall");   Wall wall = Wall.Create(RevitDoc, Line.CreateBound(new XYZ(0, 0, 0), new XYZ(100, 0, 0)), levelId, false);   transaction.Commit();}//============代码片段4-8 创建梯形墙============IList<Curve> curves = new List<Curve>();curves.Add(Line.CreateBound(new XYZ(100, 20, 0), new XYZ(100, -20, 0)));curves.Add(Line.CreateBound(new XYZ(100, -20, 0), new XYZ(100, -10, 10)));curves.Add(Line.CreateBound(new XYZ(100, -10, 10), new XYZ(100, 10, 10)));curves.Add(Line.CreateBound(new XYZ(100, 10, 5), new XYZ(100, 20, 0)));using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create wall");   Wall wall = Wall.Create(RevitDoc, curves, false);   transaction.Commit();}//============代码片段4-9 创建正反两面墙============ElementId levelId = new ElementId(311);ElementId wallTypeId = new ElementId(397);IList<Curve> curves = new List<Curve>();// 创建第一面墙XYZ[] vertexes = new XYZ[] { new XYZ(0, 0, 0), new XYZ(0, 100, 0), new XYZ(0, 0, 100) };for (int ii = 0; ii < vertexes.Length; ii++){   if (ii != vertexes.Length - 1)      curves.Add(Line.CreateBound(vertexes[ii], vertexes[ii + 1]));   else      curves.Add(Line.CreateBound(vertexes[ii], vertexes[0]));}Wall wall = null;using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create wall 1");   wall = Wall.Create(RevitDoc, curves, wallTypeId, levelId, false, new XYZ(-1, 0, 0));   transaction.Commit();}// 创建第二面墙，面朝向相反curves.Clear();vertexes = new XYZ[] { new XYZ(0, 0, 100), new XYZ(0, 100, 100), new XYZ(0, 100, 0) };for (int ii = 0; ii < vertexes.Length; ii++){   if (ii != vertexes.Length - 1)      curves.Add(Line.CreateBound(vertexes[ii], vertexes[ii + 1]));   else      curves.Add(Line.CreateBound(vertexes[ii], vertexes[0]));}using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create wall 2");   wall = Wall.Create(RevitDoc, curves, wallTypeId, levelId, false, new XYZ(1, 0, 0));   transaction.Commit();}//============代码片段4-10 创建墙，并设置高度，偏移和是否翻转============ElementId levelId = new ElementId(311);ElementId wallTypeId = new ElementId(397);using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create wall");   Wall wall = Wall.Create(RevitDoc, Line.CreateBound(new XYZ(0, 0, 0), new XYZ(0, 100, 0)), wallTypeId, levelId, 200, 300, true, false);   transaction.Commit();}//============代码片段4-11 创建三角形墙============CurveArray curveArray = new CurveArray();curveArray.Append(Line.CreateBound(new XYZ(0, 0, 0), new XYZ(100, 0, 0)));curveArray.Append(Line.CreateBound(new XYZ(100, 0, 0), new XYZ(0, 100, 0)));curveArray.Append(Line.CreateBound(new XYZ(0, 100, 0), new XYZ(0, 0, 0)));using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create floor");   Floor floor = RevitDoc.Create.NewFloor(curveArray, false);   transaction.Commit();}//============代码片段4-12 创建屋顶============using (Transaction transaction = new Transaction(RevitDoc)){   View view = RevitDoc.ActiveView;   //先创建一个参照平面   XYZ bubbleEnd = new XYZ(0, 0, 0);   XYZ freeEnd = new XYZ(0, 100, 0);   XYZ thirdPnt = new XYZ(0, 0, 100);   transaction.Start("Create reference plane");   ReferencePlane plane =      RevitDoc.Create.NewReferencePlane2(bubbleEnd, freeEnd, thirdPnt, view);   transaction.Commit();   //创建屋顶前准备参数   Level level = RevitDoc.GetElement(new ElementId(311)) as Level;   RoofType roofType = RevitDoc.GetElement(new ElementId(335)) as RoofType;   CurveArray curveArray = new CurveArray();   curveArray.Append(Line.CreateBound(new XYZ(0, 0, 50), new XYZ(0, 50, 100)));   curveArray.Append(Line.CreateBound(new XYZ(0, 50, 100), new XYZ(0, 100, 50)));   //创建屋顶   transaction.Start("Create roof");   RevitDoc.Create.NewExtrusionRoof(curveArray, plane, level, roofType, 10, 200);   transaction.Commit();}//============代码片段4-13 创建带洞口屋顶============using (Transaction transaction = new Transaction(RevitDoc)){   //创建屋顶前准备参数   Level level = RevitDoc.GetElement(new ElementId(311)) as Level;   RoofType roofType = RevitDoc.GetElement(new ElementId(335)) as RoofType;   CurveArray curveArray = new CurveArray();   //屋顶外边框   curveArray.Append(Line.CreateBound(new XYZ(0, 0, 0), new XYZ(30, 0, 0)));   curveArray.Append(Line.CreateBound(new XYZ(30, 0, 0), new XYZ(30, 30, 0)));   curveArray.Append(Line.CreateBound(new XYZ(30, 30, 0), new XYZ(0, 30, 0)));   curveArray.Append(Line.CreateBound(new XYZ(0, 30, 0), new XYZ(0, 0, 0)));   //在中间添加洞口   curveArray.Append(Line.CreateBound(new XYZ(5, 5, 0), new XYZ(5, 15, 0)));   curveArray.Append(Line.CreateBound(new XYZ(5, 15, 0), new XYZ(15, 5, 0)));   curveArray.Append(Line.CreateBound(new XYZ(15, 5, 0), new XYZ(5, 5, 0)));   //创建屋顶   transaction.Start("Create roof");   ModelCurveArray modelCurveArray = new ModelCurveArray();   FootPrintRoof roof =      RevitDoc.Create.NewFootPrintRoof(curveArray, level, roofType, out modelCurveArray);   //设置屋顶坡度   ModelCurve curve1 = modelCurveArray.get_Item(0);   ModelCurve curve3 = modelCurveArray.get_Item(2);   roof.set_DefinesSlope(curve1, true);   roof.set_SlopeAngle(curve1, 0.5);   roof.set_DefinesSlope(curve3, true);   roof.set_SlopeAngle(curve3, 1.6);   transaction.Commit();}//============代码片段4-14 创建独立实例============// place a furniture at (0,0,0)FamilySymbol familySymbol = RevitDoc.GetElement(new ElementId(99774)) as FamilySymbol;using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create standard-alone instance");   FamilyInstance familyInstance = m_creation.NewFamilyInstance(      new XYZ(0, 0, 0), familySymbol, StructuralType.NonStructural);   transaction.Commit();   Trace.WriteLine(familyInstance.Id);}//============代码片段4-15 墙上创建门============// 在墙上创建一扇门FamilySymbol familySymbol = RevitDoc.GetElement(new ElementId(49480)) as FamilySymbol;Level level = RevitDoc.GetElement(new ElementId(30)) as Level;Wall hostWall = RevitDoc.GetElement(new ElementId(180736)) as Wall;using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create standard-alone instance");   FamilyInstance familyInstance = m_creation.NewFamilyInstance(      new XYZ(0, 0, 0), familySymbol, hostWall, level, StructuralType.NonStructural);   transaction.Commit();   Trace.WriteLine(familyInstance.Id);}//============代码片段4-16 创建柱子============// place a column at (0,0,0),FamilySymbol familySymbol = RevitDoc.GetElement(new ElementId(52557)) as FamilySymbol;Level level = RevitDoc.GetElement(new ElementId(331)) as Level;using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create a level based instance");   FamilyInstance familyInstance = m_creation.NewFamilyInstance(      new XYZ(0, 0, 0), familySymbol, level, StructuralType.NonStructural);   transaction.Commit();   Trace.WriteLine(familyInstance.Id);}//============代码片段4-17 创建线形实例============// create a beam with an arcFamilySymbol familySymbol = RevitDoc.GetElement(new ElementId(68912)) as FamilySymbol;Level level = RevitDoc.GetElement(new ElementId(339)) as Level;using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create standard-alone instance");   FamilyInstance familyInstance = m_creation.NewFamilyInstance(      Arc.Create(XYZ.Zero,10,0,2.5,new XYZ(1,0,0),new XYZ(0,1,0)),      familySymbol, level, StructuralType.Beam);   transaction.Commit();   Trace.WriteLine(familyInstance.Id);}//============代码片段4-18 创建二维实例============// 找到标题栏族类型var titleBlockSymbols = new FilteredElementCollector(RevitDoc).   OfCategory(BuiltInCategory.OST_TitleBlocks).WhereElementIsElementType();FamilySymbol titleBlockSymbol = titleBlockSymbols.FirstElement() as FamilySymbol;// 获取一个ViewSheetvar viewSheet = RevitDoc.GetElement(new ElementId(175782)) as ViewSheet;// 在ViewSheet里面插入标题栏using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("插入标题栏");   var familyInstance = m_creation.NewFamilyInstance(XYZ.Zero, titleBlockSymbol, viewSheet);   transaction.Commit();}//============代码片段4-19 创建二维线形实例============// 获取二维箭头族类型FamilySymbol arrowSymbol = RevitDoc.GetElement(new ElementId(176135)) as FamilySymbol;// 找到一个二维视图var viewPlans = new FilteredElementCollector(RevitDoc).OfClass(typeof(ViewPlan)).OfType<ViewPlan>();var viewPlan = viewPlans.FirstOrDefault(v => v.GenLevel != null);var zPosition = viewPlan.GenLevel.Elevation;// 创建族实例using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("NewFamilyInstance");   var familyInstance = m_creation.NewFamilyInstance(      Line.CreateBound(new XYZ(0, 0, zPosition), new XYZ(10, 10, zPosition)),      arrowSymbol, viewPlan);   Trace.WriteLine("Created family instance: " + familyInstance.Id);   transaction.Commit();}//============代码片段4-20 创建基于面的族实例============// 获取类型FamilySymbol arrowSymbol = RevitDoc.GetElement(new ElementId(574219)) as FamilySymbol;// 找到墙的一个面var walls = new FilteredElementCollector(RevitDoc).OfClass(typeof(Wall)).OfType<Wall>();var wall = walls.FirstOrDefault();var faceReferences = HostObjectUtils.GetSideFaces(wall, ShellLayerType.Exterior);// 创建实例using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("NewFamilyInstance");   var familyInstance = m_creation.NewFamilyInstance(faceReferences[0],      new XYZ(-51.659444225, 5.702513250, 10), new XYZ(0, 1, 1), arrowSymbol);   Trace.WriteLine("Created family instance: " + familyInstance.Id);   transaction.Commit();}//============代码片段4-21 创建基于面的线形实例============// 获取类型FamilySymbol stiffenerSymbol = RevitDoc.GetElement(new ElementId(97916)) as FamilySymbol;// 找到楼板的一个面var floors = new FilteredElementCollector(RevitDoc).OfClass(typeof(Floor)).OfType<Floor>();var floor = floors.FirstOrDefault();var faceReferences = HostObjectUtils.GetTopFaces(floor);// 创建实例using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("NewFamilyInstance");   var familyInstance = m_creation.NewFamilyInstance(      faceReferences[0],      Line.CreateBound(new XYZ(36, -40, 0), new XYZ(36, -20, 0)),      stiffenerSymbol);   Trace.WriteLine("Created family instance: " + familyInstance.Id);   transaction.Commit();}//============代码片段4-22 批量创建人行道============// 创建一系列的人行道// 获取类型FamilySymbol pavementSymbol = RevitDoc.GetElement(new ElementId(182412)) as FamilySymbol;// 准备创建数据List<FamilyInstanceCreationData> list = new List<FamilyInstanceCreationData>();list.Add(new FamilyInstanceCreationData(new XYZ(10, 0, 0), pavementSymbol, StructuralType.NonStructural));list.Add(new FamilyInstanceCreationData(new XYZ(20, 0, 0), pavementSymbol, StructuralType.NonStructural));list.Add(new FamilyInstanceCreationData(new XYZ(30, 0, 0), pavementSymbol, StructuralType.NonStructural));list.Add(new FamilyInstanceCreationData(new XYZ(40, 0, 0), pavementSymbol, StructuralType.NonStructural));list.Add(new FamilyInstanceCreationData(new XYZ(50, 0, 0), pavementSymbol, StructuralType.NonStructural));// 创建实例using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create pavements");   var familyInstances = m_creation.NewFamilyInstances2(list);   transaction.Commit();   foreach (var familyInstanceId in familyInstances)   {      Trace.WriteLine(familyInstanceId);   }}//============代码片段4-23 创建房间============Level level; // 此处省略获取Level的代码Phase phase; //此处省略获取Phase的代码// 获取基于标高level的一个视图var defaultView = new FilteredElementCollector(RevitDoc)   .WherePasses(new ElementClassFilter(typeof(View)))   .Cast<View>()   .Where(v => v.GenLevel != null && v.GenLevel.Id == level.Id)   .FirstOrDefault();// 确保视图不为空if (defaultView != null){   var defaultPhase = defaultView.get_Parameter(BuiltInParameter.VIEW_PHASE);   if (defaultPhase != null && defaultPhase.AsElementId() == phase.Id)   {      using (Transaction transaction = new Transaction(RevitDoc))      {         transaction.Start("get_PlanTopology");         var circuits = RevitDoc.get_PlanTopology(level, phase).Circuits;         transaction.Commit();         foreach (PlanCircuit planCircuit in circuits)         {            RevitDoc.Create.NewRoom(null, planCircuit);         }      }   }}//============代码片段4-24 创建面积============using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create Area");   //如果在点(30.0, 30.0)这个位置找不到面积边界，将会有警告对话框弹出。   Area area = RevitDoc.Create.NewArea(areaView, new UV(30.0, 30.0));   transaction.Commit();}//============代码片段4-25 创建四方形闭合区域并在其上创建面积============using (Transaction transaction = new Transaction(RevitDoc)){   var create = RevitDoc.Create;   //通过创建四条面积边界线来形成一个正方形的闭合区域   transaction.Start("Create Area Boundary");   var sketchPlane = areaView.SketchPlane;   create.NewAreaBoundaryLine(sketchPlane,      Line.CreateBound(new XYZ(20, 20, 0), new XYZ(40, 20, 0)), areaView);   create.NewAreaBoundaryLine(sketchPlane,      Line.CreateBound(new XYZ(40, 20, 0), new XYZ(40, 40, 0)), areaView);   create.NewAreaBoundaryLine(sketchPlane,      Line.CreateBound(new XYZ(40, 40, 0), new XYZ(20, 40, 0)), areaView);   create.NewAreaBoundaryLine(sketchPlane,      Line.CreateBound(new XYZ(20, 40, 0), new XYZ(20, 20, 0)), areaView);   transaction.Commit();   //在新创建的面积边界的中心点(30.0, 30.0)位置放置一个面积   transaction.Start("Create Area");   Area area = create.NewArea(areaView, new UV(30.0, 30.0));   transaction.Commit();}//============代码片段4-26 获取拓扑结构============using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("GetPlanTopologies");   PlanTopologySet planTopologies = RevitDoc.PlanTopologies;   transaction.Commit();}//============代码片段4-27 修改线样式============ICollection<ElementId> styles = modelCurve.GetLineStyleIds();foreach (ElementId styleId in styles){   if (styleId != modelCurve.LineStyle.Id)   {      using (Transaction transaction = new Transaction(RevitDoc))      {         transaction.Start("Create Model Curve");         modelCurve.LineStyle = RevitDoc.GetElement(styleId) as GraphicsStyle;         transaction.Commit();      }      break;   }}//============代码片段4-28 创建模型线============using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create Model Line");   Line geoLine = Line.CreateBound(XYZ.BasisY * 10, XYZ.BasisX * 10);   SketchPlane modelSketch = SketchPlane.Create(RevitDoc, RevitApp.Create.NewPlane(XYZ.BasisZ, XYZ.Zero));   ModelCurve modelLine = RevitDoc.Create.NewModelCurve(geoLine, modelSketch);   transaction.Commit();}//============代码片段4-29 创建样条曲线============using (Transaction transaction = new Transaction(RevitDoc)){   SketchPlane modelSketch = SketchPlane.Create(RevitDoc, RevitApp.Create.NewPlane(XYZ.BasisZ, XYZ.Zero));   transaction.Start("Create Model NurbSpline");   NurbSpline nurbSpline = NurbSpline.Create(         new List<XYZ> { new XYZ(0, 0, 0), new XYZ(10, 0, 0), new XYZ(10, 10, 0), new XYZ(20, 10, 0), new XYZ(20, 20, 0) },         new List<double> { 0.5, 0.1, 0.3, 0.6, 0.8 });   ModelCurve modelCurve = RevitDoc.Create.NewModelCurve(nurbSpline, modelSketch);   transaction.Commit();}//============代码片段4-30 获取洞口边界============if (opening.IsRectBoundary){   XYZ startPoint = opening.BoundaryRect[0];   XYZ endPoint = opening.BoundaryRect[1];} else {   foreach (Curve curve in opening.BoundaryCurves)   {      //遍历Curve   }}//============代码片段4-31 在墙上开洞口============Wall wall = GetElement<Wall>(185520);LocationCurve locationCurve = wall.Location as LocationCurve;Line location = locationCurve.Curve as Line;XYZ startPoint = location.get_EndPoint(0);XYZ endPoint = location.get_EndPoint(1);Parameter wallHeightParameter = wall.get_Parameter(BuiltInParameter.WALL_USER_HEIGHT_PARAM);double wallHeight = wallHeightParameter.AsDouble();XYZ delta = (endPoint - startPoint + new XYZ(0, 0, wallHeight)) / 3;using (Transaction transaction = new Transaction(RevitDoc)){   transaction.Start("Create Opening on wall");   Opening opening = RevitDoc.Create.NewOpening(wall, startPoint + delta, startPoint + delta * 2);   transaction.Commit();}//============代码片段5-1：创建线性尺寸标注============Transaction transaction = new Transaction(m_revit.Application.ActiveUIDocument.Document, "添加标注");transaction.Start();//取得墙，给墙的两个端点创建线性尺寸for (int i = 0; i < m_walls.Count; i++){  Wall wallTemp = m_walls[i] as Wall;  if (null == wallTemp)  {  continue; } //取得位置线 Location location = wallTemp.Location; LocationCurve locationline = location as LocationCurve; if (null == locationline) {  continue; } Line newLine = null; //取得参考 ReferenceArray referenceArray = new ReferenceArray(); AnalyticalModel analyticalModel = wallTemp.GetAnalyticalModel(); IList<Curve> activeCurveList  = analyticalModel.GetCurves(AnalyticalCurveType.ActiveCurves); foreach (Curve aCurve in activeCurveList) {  // 从分析模型中找到不垂直的线  if (aCurve.GetEndPoint(0).Z == aCurve.GetEndPoint(1).Z)     newLine = aCurve as Line;  if (aCurve.GetEndPoint(0).Z != aCurve.GetEndPoint(1).Z)  {     AnalyticalModelSelector amSelector = new AnalyticalModelSelector(aCurve);     amSelector.CurveSelector = AnalyticalCurveSelector.StartPoint;     referenceArray.Append(analyticalModel.GetReference(amSelector));  }  if (2 == referenceArray.Size)     break; } if (referenceArray.Size != 2) {  m_errorMessage += "Did not find two references";  return false; } try {  //创建尺寸  Autodesk.Revit.UI.UIApplication app = m_revit.Application;  Document doc = app.ActiveUIDocument.Document;  Autodesk.Revit.DB.XYZ p1 = new XYZ(     newLine.GetEndPoint(0).X + 5,     newLine.GetEndPoint(0).Y + 5,     newLine.GetEndPoint(0).Z);  Autodesk.Revit.DB.XYZ p2 = new XYZ(     newLine.GetEndPoint(1).X + 5,     newLine.GetEndPoint(1).Y + 5,     newLine.GetEndPoint(1).Z);  Line newLine2 = Line.CreateBound(p1, p2);  Dimension newDimension = doc.Create.NewDimension(     doc.ActiveView, newLine2, referenceArray); } catch (Exception ex) {  m_errorMessage += ex.ToString();  return false; }}transaction.Commit();//============代码片段6-1：几何============         public Options GetGeometryOption(){              Autodesk.Revit.DB.Options option = this.Application.Create.NewGeometryOptions();   option.ComputeReferences = true;   //打开计算几何引用   option.DetailLevel = ViewDetailLevel.Fine;   //视图详细程度为最好              return option; }//============代码片段6-2：几何============public void GetWallGeometry(){    Document doc = this.ActiveUIDocument.Document;            Wall aWall = doc.GetElement(new ElementId(186388)) as Wall;                Options option = GetGeometryOption();  // 创建几何选项Autodesk.Revit.DB.GeometryElement geomElement = aWall.get_Geometry(option);foreach (GeometryObject geomObj in geomElement){   Solid geomSolid = geomObj as Solid;   if (null != geomSolid)   {      foreach (Face geomFace in geomSolid.Faces)      {         // 得到墙的面      }      foreach (Edge geomEdge in geomSolid.Edges)      {         // 得到墙的边      }   }}}//============代码片段6-3：几何============public void GetInstanceGeometry_Curve(){Document doc = this.ActiveUIDocument.Document;    FamilyInstance familyInstance = doc.GetElement(new ElementId(187032)) as FamilyInstance;Options option = GetGeometryOption();Autodesk.Revit.DB.GeometryElement geomElement = familyInstance.get_Geometry(option);foreach (GeometryObject geomObj in geomElement){   GeometryInstance geomInstance = geomObj as GeometryInstance;   if (null != geomInstance)   {       foreach (GeometryObject instObj in geomInstance.SymbolGeometry)       {          Curve curve = instObj as Curve;          if (null != curve)          {              // 把取到的线变换到实例的坐标系中              curve = curve.CreateTransformed(geomInstance.Transform);              // …          }        }    } }}//============代码片段6-4：几何============public void GetInstanceGeometry_Solid(){    Document doc = this.ActiveUIDocument.Document;    FamilyInstance familyInstance = doc.GetElement(new ElementId(187758)) as FamilyInstance;    Options option = GetGeometryOption();    Autodesk.Revit.DB.GeometryElement geomElement = familyInstance.get_Geometry(option);    foreach (GeometryObject geomObj in geomElement)    {       GeometryInstance geomInstance = geomObj as GeometryInstance;       if (null != geomInstance)       {          foreach (GeometryObject instObj in geomInstance.SymbolGeometry)          {             Solid solid = instObj as Solid;             if (null == solid || 0 == solid.Faces.Size || 0 == solid.Edges.Size)             {                continue;             }             Transform instTransform = geomInstance.Transform;             // 从实体Solid获取面和边，然后对点进行变换             foreach (Face face in solid.Faces)             {                Mesh mesh = face.Triangulate();                foreach (XYZ ii in mesh.Vertices)                {                   XYZ point = ii;                   XYZ transformedPoint = instTransform.OfPoint(point);                }             }             foreach (Edge edge in solid.Edges)             {                foreach (XYZ ii in edge.Tessellate())                {                   XYZ point = ii;                   XYZ transformedPoint = instTransform.OfPoint(point);                }             }          }      }    } }//============代码片段6-5：几何============public void DrawMesh(){    Document doc = this.ActiveUIDocument.Document;    Transaction transaction = new Transaction(doc, "Draw Mesh");    transaction.Start();    Sweep sweep = doc.GetElement(new ElementId(2311)) as Sweep;    Options option = GetGeometryOption();    Autodesk.Revit.DB.GeometryElement geomElement = sweep.get_Geometry(option);    foreach (GeometryObject geomObj in geomElement)    {       Solid geomSolid = geomObj as Solid;       if (null != geomSolid)       {          foreach (Face geomFace in geomSolid.Faces)          {             // 对面进行三角面片化形成一个网格             Mesh mesh = geomFace.Triangulate();             for (int i = 0; i < mesh.NumTriangles; i++)             {                MeshTriangle triangular = mesh.get_Triangle(i);                // 定义 XYZ 列表来存放三角形的顶点                List<XYZ> triangularPoints = new List<XYZ>();                for (int n = 0; n < 3; n++)                {                   XYZ point = triangular.get_Vertex(n);                   triangularPoints.Add(point);                }                // 调用方法把所有三角形在文档中描绘出来                DrawTriangle(doc, triangularPoints);             }          }       }    }    transaction.Commit(); }//============代码片段6-6：几何============// GeometryObject geoObj = GetGeometryObject();Solid solid = geoObj as Solid;if(null != solid && 0 != solid.Faces.Size){// 先判断再使用}//============代码片段6-7：几何============ public static XYZ TransformPoint(XYZ point, Transform transform) {    double x = point.X;    double y = point.Y;    double z = point.Z;    //获取变换的原点和基向量    XYZ b0 = transform.get_Basis(0);    XYZ b1 = transform.get_Basis(1);    XYZ b2 = transform.get_Basis(2);    XYZ origin = transform.Origin;    //对原来坐标系统的点在新的坐标系统进行变换    double xTemp = x * b0.X + y * b1.X + z * b2.X + origin.X;    double yTemp = x * b0.Y + y * b1.Y + z * b2.Y + origin.Y;    double zTemp = x * b0.Z + y * b1.Z + z * b2.Z + origin.Z;    return new XYZ(xTemp, yTemp, zTemp); }//============代码片段6-8：几何============  // ReferencePlane refPlane = GetRefPlane(); Transform mirTrans = Transform.CreateReflection(refPlane.Plane);//============代码片段6-9：几何============Autodesk.Revit.DB.Options option = this.Application.Create.NewGeometryOptions();option.ComputeReferences = true;option.DetailLevel = ViewDetailLevel.Medium;//============代码片段6-10：几何============public void ModifySectionBox(){          Document doc = this.ActiveUIDocument.Document;      using(Transaction transaction = new Transaction(doc, "Modify Section Box"))  {    transaction.Start();                    View3D view3d = doc.GetElement(new ElementId(186350)) as View3D;                BoundingBoxXYZ box = view3d.GetSectionBox();    if (false == box.Enabled)    {      TaskDialog.Show("Error", "The section box for View3D isn't Enable.");      return;    }    // 创建旋转变换    XYZ origin = new XYZ(0, 0, 0);    XYZ axis = new XYZ(0, 0, 1);    Transform rotate = Transform.CreateRotationAtPoint(axis, 2, origin);    // 把旋转变换应用于三维视图的剖面框    box.Transform = box.Transform.Multiply(rotate);    view3d.SetSectionBox(box);                    transaction.Commit();  }}//============代码片段6-11：几何============Document projectDoc = ActiveUIDocument.Document;View3D view = projectDoc.ActiveView as View3D;if(view != null){   BoundingBoxUV bbBoxUV = view.Outline;   UV max = bbBoxUV.Max;   UV min = bbBoxUV.Min;}//============代码片段6-12：几何============//[in]geomElement, [out]curves, [out]solidspublic void GetCurvesFromABeam(FamilyInstance beam, Options options, CurveArray curves, SolidArray solids){  Autodesk.Revit.DB.GeometryElement geomElement = beam.get_Geometry(options);  //找到所有的实体solids和线curves  AddCurvesAndSolids(geomElement, curves, solids);}private void AddCurvesAndSolids(GeometryElement geomElem, CurveArray curves, SolidArray solids){  foreach (GeometryObject geomObject in geomElem)  {    Curve curve = geomObject  as Curve;    if (null != curve)    {      curves.Append(curve);      continue;    }    Solid solid = geomObject  as Solid;    if (null != solid)    {      solids.Append(solid);      continue;    }    //如果GeometryObject 是几何实例，则进行二次遍历    GeometryInstance geomInst = geomObject  as GeometryInstance;    if (null != geomInst)    {      AddCurvesAndSolids(geomInst.GetSymbolGeometry(geomInst.Transform), curves, solids);    }  }}//============代码片段7-1 获取族管理器============Document doc;  // 得到族文档if(doc.IsFamilyDocument){   // 只有当IsFamilyDocument等于true， FamilyManager才能得到   FamilyManager familyMgr = doc.FamilyManager;}//============代码片段7-2 获取当前族类型============//得到FamilyManagerFamilyManager familyMgr = doc.FamilyManager;FamilyType currentType = familyMgr.CurrentType;if(currentType != null){    //当前族类型可能为空，建议在其他操作前加上空检查}//============代码片段7-3 创建新的类型============// 得到FamilyManagerFamilyManager familyMgr = doc.FamilyManager;// 族类型的名字，保证在所有族类型中唯一string newTypeName = "UniqueName";// 创建，得到FamilyType的实例FamilyType famType = familyMgr.NewType(newTypeName);//============代码片段7-4 删除族类型============// 得到FamilyManagerFamilyManager familyMgr = doc.FamilyManager;if(familyMgr.CurrentType != null){    // 只有当前族类型存在，我们才能调用下面的删除方法    familyMgr.DeleteCurrentType();    // 一般来说，当删除结束后，第一个族类型会成为当前类型，    // 但是为了确保安全, 建议你显式设置成你需要的类型    if (familyMgr.Types.Size != 0)    {        FamilyType type = familyMgr.Types.Cast<FamilyType>().ElementAt(0);        familyMgr.CurrentType = type;    }}//============代码片段7-5 族类型重命名============// 得到FamilyManagerFamilyManager familyMgr = doc.FamilyManager;// 族类型的名字，保证在所有族类型中唯一string newTypeName = "UniqueName";familyMgr.RenameCurrentType(newTypeName);//============代码片段7-6 创建共享族参数============Autodesk.Revit.ApplicationServices.Application app; // 得到Application// 得到FamilyManagerFamilyManager familyMgr = doc.FamilyManager;// 共享参数的基本信息, 包括定义文件路径，参数分组名称，参数名称和参数类型。string sharedParameterFilePath = @"C:\SharedParameter.txt";string sharedParameterGroupName = "Shared_Group";string sharedParameter = "Shared_Parameter";ParameterType sharedParameterType = ParameterType.Length;// 打开或创建共享参数定义文件。app.SharedParametersFilename = sharedParameterFilePath;DefinitionFile sharedDefinitonFile = app.OpenSharedParameterFile();if (sharedDefinitonFile == null)   return;// 查找共享参数的分组名称，如果没找到，就创建一个。DefinitionGroup sharedGroup = null;sharedGroup = sharedDefinitonFile.Groups.get_Item(sharedParameterGroupName);if (null == sharedGroup)   sharedGroup = sharedDefinitonFile.Groups.Create(sharedParameterGroupName);// 查找共享参数的定义，如果没有找到，就用名字和类型创建一个。ExternalDefinition parameterDef = sharedGroup.Definitions.get_Item(sharedParameter) as ExternalDefinition;if (null == parameterDef)   parameterDef = sharedGroup.Definitions.Create(sharedParameter, sharedParameterType) as ExternalDefinition;// 创建共享族参数FamilyParameter newParameter = familyMgr.AddParameter(parameterDef, BuiltInParameterGroup.PG_CONSTRAINTS, true);//============代码片段7-7 创建一般族参数============// 得到FamilyManagerFamilyManager familyMgr = doc.FamilyManager;string paraName = "UniqueName"; // 唯一// 设置族参数的类别和类型BuiltInParameterGroup paraGroup = BuiltInParameterGroup.PG_LENGTH;ParameterType paraType = ParameterType.Length;// 设置族参数为实例参数bool isInstance = true;// 创建族参数FamilyParameter newParameter = familyMgr.AddParameter(paraName, paraGroup, paraType, isInstance);//============代码片段7-8 创建族类型参数============// 得到FamilyManagerFamilyManager familyMgr = doc.FamilyManager;string paraName = "族类型参数"; // 唯一BuiltInParameterGroup paraGroup = BuiltInParameterGroup.PG_TEXT;// 设置族参数为实例参数bool isInstance = true;// 得到一个已加载的族类型（FamilySymbol）的组。FilteredElementCollector cotr = new FilteredElementCollector(doc);IList<Element> symbols = cotr.OfClass(typeof(FamilySymbol)).ToElements();if (symbols.Count == 0)   return;   // 未找到族类型，跳过创建Category famCategory = symbols[0].Category;// 创建族参数FamilyParameter newParameter = familyMgr.AddParameter(paraName, paraGroup, famCategory, isInstance);//============代码片段7-9 设置族参数公式============/// <summary>/// 这个方法演示如何创建族参数的公式。/// 包括了如下几种类型的族参数：长度，面积，体积和字符串类型。/// </summary>public void SetParameterFormula(    FamilyManager familyMgr, FamilyParameter lengthPara,    FamilyParameter areaPara, FamilyParameter volumePara,    FamilyParameter commentPara){    // 字符串类型的族参数的公式，必须要带上""    familyMgr.SetFormula(commentPara, "\"注释内容\"");    // 有单位的族参数（例如：长度类型）的公式，应该带上单位    familyMgr.SetFormula(lengthPara, "1000mm");    // 族参数的公式需要符合其类型的定义    // 例如面积类型的参数可以是2个长度参数的乘积    string lengtthParaName = lengthPara.Definition.Name;    familyMgr.SetFormula(areaPara, lengtthParaName + " * " + lengtthParaName);    // 而体积类型的参数可以是3个长度参数的乘积    familyMgr.SetFormula(volumePara, lengtthParaName        + " * " + lengtthParaName + " * " + lengtthParaName);}//============代码片段7-10 设置族参数的值============public void SetFamilyParameterValue(    FamilyManager familyMgr, FamilyParameter lengthPara,    FamilyParameter commentPara, FamilyParameter IntPara,    FamilyParameter materialPara, ElementId newMaterialId){    // 首先需要判断当前族类型是否存在，如果不存在，读写族参数都是不可行的    FamilyType currentType = familyMgr.CurrentType;    if (null == currentType)        return;    // 读写长度类型的族参数；他的储存类型为double    double length = currentType.AsDouble(lengthPara).Value;    familyMgr.Set(lengthPara, length + 1.25);    // 读写文字类型的族参数；他的储存类型为string    string comment = currentType.AsString(commentPara);    familyMgr.Set(commentPara, "新的注释");    // 读写整数类型的族参数；他的储存类型为int    int integerVale = currentType.AsInteger(IntPara).Value;    familyMgr.Set(IntPara, integerVale + 3);    // 读写材质类型的族参数；他的储存类型为ElementId    ElementId materialId = currentType.AsElementId(materialPara);    familyMgr.Set(materialPara, newMaterialId);    // 您可以读写族参数的可视化文字表示的值    string lengthText = currentType.AsValueString(lengthPara);    familyMgr.SetValueString(lengthPara, "10m");}//============代码片段7-11 关联族参数============public void AssociateParametersInFamilyDocument(FamilyManager familyMgr,    Parameter lengthElementPara,        // 长度类型的图元参数    FamilyParameter lengthFamilyPara    // 长度类型的族参数    ){    ParameterType lengthElementParaType = lengthElementPara.Definition.ParameterType;    ParameterType lengthFamilyParaType = lengthFamilyPara.Definition.ParameterType;    // 能关联起来的图元参数和族参数的类型要相同    if (lengthElementParaType != lengthFamilyParaType)    {        // 注意：有些类型不同的图元参数和族参数也是可以关联的。        // 比如PipeSize和Length类型的参数可以关联，因为他们代表了相同的物理量：长度        return;    }    // 判断该长度单位是否能够和族参数关联    if (!familyMgr.CanElementParameterBeAssociated(lengthElementPara))        return;    // 进行关联操作    familyMgr.AssociateElementParameterToFamilyParameter(lengthElementPara, lengthFamilyPara);}//============代码片段7-12 关联族参数和尺寸标注============public void AssociateParameterToDimension(    Dimension dimension, FamilyParameter familyPara){    // 获取当前关联的族参数    FamilyParameter currentPara = dimension.FamilyLabel;    if(null != currentPara)    {        // 新关联的族参数类型应该和现有的族参数类型一致。        // 就像上个例子提到的一样，他们至少应该是物理意义相同。        if (currentPara.Definition.ParameterType != familyPara.Definition.ParameterType)            return;    }    // 关联新的族参数    dimension.FamilyLabel = familyPara;    // 清空关联    dimension.FamilyLabel = null;}//============代码片段7-13 创建拉伸体============private Application m_revit; // 已获得Revit的Application的实例private Document m_familyDocument;  // 已获得族文档的实例// 创建工作平面的函数，输入为平面的原点和法向量internal SketchPlane CreateSketchPlane(Autodesk.Revit.DB.XYZ normal, Autodesk.Revit.DB.XYZ origin){   // 首先创建几何平面   Plane geometryPlane = m_revit.Create.NewPlane(normal, origin);   if (null == geometryPlane)   {return null;   }   // 根绝几何平面创建工作平面   SketchPlane plane = SketchPlane.Create(m_familyDocument, geometryPlane);   if (null == plane)   {      return null;   }   return plane;}// 创建用于拉伸的轮廓线private CurveArrArray CreateExtrusionProfile(){   // 轮廓线可以包括一个或者多个闭合的轮廓，所以最后返回是CurveArrArray   CurveArrArray curveArrArray = new CurveArrArray();   CurveArray curveArray1 = new CurveArray();   // 创建一个正方体的轮廓线，先创建点，再创建线，最后组合成轮廓。   Autodesk.Revit.DB.XYZ p0 = Autodesk.Revit.DB.XYZ.Zero;   Autodesk.Revit.DB.XYZ p1 = new Autodesk.Revit.DB.XYZ(10, 0, 0);   Autodesk.Revit.DB.XYZ p2 = new Autodesk.Revit.DB.XYZ(10, 10, 0);   Autodesk.Revit.DB.XYZ p3 = new Autodesk.Revit.DB.XYZ(0, 10, 0);   Line line1 = Line.CreateBound(p0, p1);   Line line2 = Line.CreateBound(p1, p2);   Line line3 = Line.CreateBound(p2, p3);   Line line4 = Line.CreateBound(p3, p0);   curveArray1.Append(line1);   curveArray1.Append(line2);   curveArray1.Append(line3);   curveArray1.Append(line4);   curveArrArray.Append(curveArray1);   return curveArrArray;}private void CreateExtrusion(FamilyItemFactory familyCreator){   // 调用函数创建拉伸的轮廓线和工作平面   CurveArrArray curveArrArray = CreateExtrusionProfile();   SketchPlane sketchPlane = CreateSketchPlane(XYZ.BasisZ, XYZ.Zero);   // 调用API创建拉伸（实心正方体）   Extrusion rectExtrusion = familyCreator.NewExtrusion(true, curveArrArray, sketchPlane, 10)   // 可能我们会希望把拉伸体移动到希望的位置上   XYZ transPoint1 = new XYZ(-16, 0, 0);   ElementTransformUtils.MoveElement(m_familyDocument, rectExtrusion.Id, transPoint1);}//============代码片段7-14 创建融合体============private void CreateBlend(FamilyItemFactory familyCreator){    CurveArray topProfile = new CurveArray();    CurveArray baseProfile = new CurveArray();    // 创建工作平面，CreateSketchPlane见上一个例子。    Autodesk.Revit.DB.XYZ normal = Autodesk.Revit.DB.XYZ.BasisZ;    SketchPlane sketchPlane = CreateSketchPlane(normal, Autodesk.Revit.DB.XYZ.Zero);    // 创建底部的闭合二维轮廓    Autodesk.Revit.DB.XYZ p00 = Autodesk.Revit.DB.XYZ.Zero;    Autodesk.Revit.DB.XYZ p01 = new Autodesk.Revit.DB.XYZ(10, 0, 0);    Autodesk.Revit.DB.XYZ p02 = new Autodesk.Revit.DB.XYZ(10, 10, 0);    Autodesk.Revit.DB.XYZ p03 = new Autodesk.Revit.DB.XYZ(0, 10, 0);    Line line01 = Line.CreateBound(p00, p01);    Line line02 = Line.CreateBound(p01, p02);    Line line03 = Line.CreateBound(p02, p03);    Line line04 = Line.CreateBound(p03, p00);    baseProfile.Append(line01);    baseProfile.Append(line02);    baseProfile.Append(line03);    baseProfile.Append(line04);    // 创建顶部的闭合二维轮廓    Autodesk.Revit.DB.XYZ p10 = new Autodesk.Revit.DB.XYZ(5, 2, 10);    Autodesk.Revit.DB.XYZ p11 = new Autodesk.Revit.DB.XYZ(8, 5, 10);    Autodesk.Revit.DB.XYZ p12 = new Autodesk.Revit.DB.XYZ(5, 8, 10);    Autodesk.Revit.DB.XYZ p13 = new Autodesk.Revit.DB.XYZ(2, 5, 10);    Line line11 = Line.CreateBound(p10, p11);    Line line12 = Line.CreateBound(p11, p12);    Line line13 = Line.CreateBound(p12, p13);    Line line14 = Line.CreateBound(p13, p10);    topProfile.Append(line11);    topProfile.Append(line12);    topProfile.Append(line13);    topProfile.Append(line14);    // 利用底部和顶部的轮廓来创建融合    Blend blend = familyCreator.NewBlend(true, topProfile, baseProfile, sketchPlane);}//============代码片段7-15 编辑融合体============public void AccessBlend(Blend blend){    // 得到融合体的底部和顶部轮廓线    CurveArrArray baseProfile = blend.BottomProfile;    CurveArrArray topProfile = blend.TopProfile;    // 通过修改TopOffset属性来让融合体的顶部更高    blend.TopOffset = blend.TopOffset + 1;    // 修改融合体顶部和底部的映射关系    VertexIndexPairArray currentMap = blend.GetVertexConnectionMap();    VertexIndexPairArray newMap = new VertexIndexPairArray();    List<int> topIndexes = new List<int>();    List<int> bottomIndexes = new List<int>();    foreach(VertexIndexPair pair in currentMap)    {        topIndexes.Add(pair.Top);        bottomIndexes.Add(pair.Bottom);    }    int lastTopindex = topIndexes.Last();    topIndexes.RemoveAt(topIndexes.Count - 1);    topIndexes.Insert(0, lastTopindex);    for(int idx = 0; idx < bottomIndexes.Count; idx++)    {        newMap.Append(new VertexIndexPair(topIndexes[idx], bottomIndexes[idx]));    }    blend.SetVertexConnectionMap(newMap);}//============代码片段7-16 创建旋转体============private void CreateRevolution(FamilyItemFactory familyCreator){    CurveArrArray curveArrArray = new CurveArrArray();    CurveArray curveArray = new CurveArray();    // 创建工作平面，CreateSketchPlane参见Extrusion中的例子。    Autodesk.Revit.DB.XYZ normal = Autodesk.Revit.DB.XYZ.BasisZ;    SketchPlane sketchPlane = CreateSketchPlane(normal, Autodesk.Revit.DB.XYZ.Zero);    // 创建一个正方体的轮廓线    Autodesk.Revit.DB.XYZ p0 = Autodesk.Revit.DB.XYZ.Zero;    Autodesk.Revit.DB.XYZ p1 = new Autodesk.Revit.DB.XYZ(10, 0, 0);    Autodesk.Revit.DB.XYZ p2 = new Autodesk.Revit.DB.XYZ(10, 10, 0);    Autodesk.Revit.DB.XYZ p3 = new Autodesk.Revit.DB.XYZ(0, 10, 0);    Line line1 = Line.CreateBound(p0, p1);    Line line2 = Line.CreateBound(p1, p2);    Line line3 = Line.CreateBound(p2, p3);    Line line4 = Line.CreateBound(p3, p0);    curveArray.Append(line1);    curveArray.Append(line2);    curveArray.Append(line3);    curveArray.Append(line4);// NewRevolution函数需要一个轮廓线的集合来满足复杂的轮廓线，比如“回”字形。curveArrArray.Append(curveArray);// 创建旋转轴    Autodesk.Revit.DB.XYZ pp = new Autodesk.Revit.DB.XYZ(1, -1, 0);    Line axis1 = Line.CreateBound(Autodesk.Revit.DB.XYZ.Zero, pp);    // 利用轮廓线和旋转轴来创建旋转体    Revolution revolution1 = familyCreator.NewRevolution(true, curveArrArray, sketchPlane, axis1, -Math.PI, 0);}//============代码片段7-17 创建放样体============private void CreateSweep(Autodesk.Revit.Creation.Application appCreator,    FamilyItemFactory familyCreator){    CurveArrArray arrarr = new CurveArrArray();    CurveArray arr = new CurveArray();    // 创建路径平面，CreateSketchPlane参见Extrusion中的例子。    Autodesk.Revit.DB.XYZ normal = Autodesk.Revit.DB.XYZ.BasisZ;    SketchPlane sketchPlane = CreateSketchPlane(normal, Autodesk.Revit.DB.XYZ.Zero);// 创建用于放样的轮廓，这里创建轮廓线再生成轮廓的方式    Autodesk.Revit.DB.XYZ pnt1 = new Autodesk.Revit.DB.XYZ(0, 0, 0);    Autodesk.Revit.DB.XYZ pnt2 = new Autodesk.Revit.DB.XYZ(2, 0, 0);    Autodesk.Revit.DB.XYZ pnt3 = new Autodesk.Revit.DB.XYZ(1, 1, 0);    arr.Append(Arc.Create(pnt2, 1.0d, 0.0d, 180.0d, Autodesk.Revit.DB.XYZ.BasisX, Autodesk.Revit.DB.XYZ.BasisY));    arr.Append(Arc.Create(pnt1, pnt3, pnt2));    arrarr.Append(arr);    SweepProfile profile = appCreator.NewCurveLoopsProfile(arrarr);    // 创建用于放样的路径，该路径包括2条线段    Autodesk.Revit.DB.XYZ pnt4 = new Autodesk.Revit.DB.XYZ(10, 0, 0);    Autodesk.Revit.DB.XYZ pnt5 = new Autodesk.Revit.DB.XYZ(0, 10, 0);    Autodesk.Revit.DB.XYZ pnt6 = new Autodesk.Revit.DB.XYZ(5, 13, 0);    Curve curve = Line.CreateBound(pnt4, pnt5);    Curve curve1 = Line.CreateBound(pnt5, pnt6);    CurveArray curves = new CurveArray();    curves.Append(curve);    curves.Append(curve1);    // 利用轮廓和拉伸路径来创建放样，轮廓线位于拉伸路径的第二条线段的中心点    Sweep sweep1 = familyCreator.NewSweep(true, curves, sketchPlane, profile, 1, ProfilePlaneLocation.MidPoint);}//============代码片段7-18 创建放样融合体============private void CreateSweepBlend(Autodesk.Revit.Creation.Application appCreator,    FamilyItemFactory familyCreator){    // 创建底部的轮廓线    Autodesk.Revit.DB.XYZ pnt1 = new Autodesk.Revit.DB.XYZ(0, 0, 0);    Autodesk.Revit.DB.XYZ pnt2 = new Autodesk.Revit.DB.XYZ(1, 0, 0);    Autodesk.Revit.DB.XYZ pnt3 = new Autodesk.Revit.DB.XYZ(1, 1, 0);    Autodesk.Revit.DB.XYZ pnt4 = new Autodesk.Revit.DB.XYZ(0, 1, 0);    Autodesk.Revit.DB.XYZ pnt5 = new Autodesk.Revit.DB.XYZ(0, 0, 1);    CurveArrArray arrarr1 = new CurveArrArray();    CurveArray arr1 = new CurveArray();    arr1.Append(Line.CreateBound(pnt1, pnt2));    arr1.Append(Line.CreateBound(pnt2, pnt3));    arr1.Append(Line.CreateBound(pnt3, pnt4));    arr1.Append(Line.CreateBound(pnt4, pnt1));    arrarr1.Append(arr1);    // 创建顶部的轮廓线    Autodesk.Revit.DB.XYZ pnt6 = new Autodesk.Revit.DB.XYZ(0.5, 0, 0);    Autodesk.Revit.DB.XYZ pnt7 = new Autodesk.Revit.DB.XYZ(1, 0.5, 0);    Autodesk.Revit.DB.XYZ pnt8 = new Autodesk.Revit.DB.XYZ(0.5, 1, 0);    Autodesk.Revit.DB.XYZ pnt9 = new Autodesk.Revit.DB.XYZ(0, 0.5, 0);    CurveArrArray arrarr2 = new CurveArrArray();    CurveArray arr2 = new CurveArray();    arr2.Append(Line.CreateBound(pnt6, pnt7));    arr2.Append(Line.CreateBound(pnt7, pnt8));    arr2.Append(Line.CreateBound(pnt8, pnt9));    arr2.Append(Line.CreateBound(pnt9, pnt6));    arrarr2.Append(arr2);    // 利用底部和顶部的轮廓线生成底部和顶部的轮廓。    SweepProfile bottomProfile = appCreator.NewCurveLoopsProfile(arrarr1);    SweepProfile topProfile = appCreator.NewCurveLoopsProfile(arrarr2);    // 创建放样融合的拉伸路径    Autodesk.Revit.DB.XYZ pnt10 = new Autodesk.Revit.DB.XYZ(5, 0, 0);    Autodesk.Revit.DB.XYZ pnt11 = new Autodesk.Revit.DB.XYZ(0, 20, 0);    Curve curve = Line.CreateBound(pnt10, pnt11);// 创建路径平面，CreateSketchPlane参见Extrusion中的例子。    Autodesk.Revit.DB.XYZ normal = Autodesk.Revit.DB.XYZ.BasisZ;    SketchPlane sketchPlane = CreateSketchPlane(normal, Autodesk.Revit.DB.XYZ.Zero);    // 利用底部和顶部的轮廓和拉伸路径创建放样融合    SweptBlend newSweptBlend1 = familyCreator.NewSweptBlend(true, curve, sketchPlane, bottomProfile, topProfile);}//============代码片段7-19 管理图元可见性============public void AccessFamilyElementVisibility(Extrusion extrusion){    // 得到管理拉伸体的可见性的实例，并读取详细程度的设置    FamilyElementVisibility visibility = extrusion.GetVisibility();    FamilyElementVisibilityType visibilityType = visibility.VisibilityType;    bool shownInCoarse = visibility.IsShownInCoarse;    bool shownInMedium = visibility.IsShownInMedium;    bool shownInFine = visibility.IsShownInFine;    // 设置为在各种详细程度中都显示拉伸体    visibility.IsShownInCoarse = true;    visibility.IsShownInMedium = true;visibility.IsShownInFine = true;// 注意：必须把可见性的修改设置回拉伸体    extrusion.SetVisibility(visibility);}//============代码片段8-1：获取视图类型============//Autodesk.Revit.DB.View view = GetView();//两种判断视图类型的方法：//第一种：ViewType viewType = view.ViewType;switch (viewType){ case Autodesk.Revit.DB.ViewType.ThreeD:  // 视图类型是三维视图  break; // 其他类型}// 第二种：if (view is View3D){ // view的类类型是三维视图}//============代码片段8-2：获取视图中可见的元素============//找到视图中所有可见的元素FilteredElementCollector elemCollector = new FilteredElementCollector(document, viewId);foreach (Element elem in elemCollector){    //操作元素elem}//============代码片段8-3：创建一个正交三维视图============private void CreateView3D(Autodesk.Revit.Document doc, ElementId viewTypeId){  try  {   // Create a new View3D   XYZ direction = new XYZ(1, 1, 1);   View3D view3D = View3D.CreateIsometric(doc, viewTypeId);   if (null == view3D)    return;   // The created View3D isn't perspective.   Debug.Assert(false == view3D.IsPerspective);  }  catch (Exception e)  {   Debug.WriteLine(e.ToString());  }}//============代码片段8-4：显示剖面框============private void ShowHideSectionBox(View3D view3D){  view3D.IsSectionBoxActive = true;}//============代码片段8-5：创建楼层平面和天花板平面============private void CreatePlanView(Autodesk.Revit.Document doc, ElementId viewTypeId){  try  {   using(Transaction tr = new Transaction(doc))   {    tr.Start(“创建平面视图”);    double elevation = 10.0;    Level level1 = doc.Create.NewLevel(elevation);    ViewPlan floorView = ViewPlan.Create(doc, viewTypeId, level1.Id);    tr.Commit();   }  }  catch (Exception exp)  {   MessageBox.Show(exp.ToString());  }}//============代码片段8-6：创建和打印一个图纸视图============private void CreateSheetView(Autodesk.Revit.Document doc){  // Get an available title block from document  FamilySymbolSet fsSet = doc.TitleBlocks;  if (fsSet.Size == 0)  {   MessageBox.Show("No title blocks");   return;  }  FamilySymbol fs = null;  foreach (FamilySymbol f in fsSet)  {   if (null != f)   {    fs = f;    break;   }  }  try  {   // Create a sheet view   ViewSheet viewSheet = ViewSheet.Create(doc, fs);   if (null == viewSheet)    return;   // Add current view onto the center of the sheet   UV location = new UV(     (viewSheet.Outline.Max.U - viewSheet.Outline.Min.U) / 2,     (viewSheet.Outline.Max.V - viewSheet.Outline.Min.V) / 2);   XYZ point = new XYZ(UV.U, UV.V, 0);   Viewport.Create(doc, viewSheep.Id, doc.ActiveView.Id, point);   // Print the sheet out   if (viewSheet.CanBePrinted)   {    if (MessageBox.Show("Print the sheet?", "Revit",MessageBoxButtons.YesNo) == DialogResult.Yes)       viewSheet.Print();   }  }  catch (Exception e)  {   MessageBox.Show(e.ToString());  }}//============代码片段9-1：DocumentOpened事件============public class Application_DocumentOpened : IExternalApplication{  public IExternalApplication.Result OnStartup(ControlledApplication application)  {   try   {    //注册事件    application.DocumentOpened += new EventHandler       <Autodesk.Revit.Events.DocumentOpenedEventArgs>(application_DocumentOpened);   }   catch (Exception)   {    return Autodesk.Revit.UI.Result.Failed;   }   return Autodesk.Revit.UI.Result.Succeeded;  }  public IExternalApplication.Result OnShutdown(ControlledApplication application)  {   //注销事件   application.DocumentOpened -= new EventHandler    <Autodesk.Revit.Events.DocumentOpenedEventArgs>(application_DocumentOpened);   return Autodesk.Revit.UI.Result.Succeeded;  }  public void application_DocumentOpened(object sender, DocumentOpenedEventArgs args)  {   //从事件参数中获得文档对象   Document doc = args.Document;   Transaction transaction = new Transaction(doc, "Edit Address");   if (transaction.Start() == TransactionStatus.Started)   {    doc.ProjectInformation.Address =       "United States - Massachusetts - Waltham - 1560 Trapelo Road";    transaction.Commit();   }  }}//============代码片段9-2：DocumentSavingAs事件响应函数============private void CheckProjectStatusInitial(Object sender, DocumentSavingAsEventArgs args){  Document doc = args.Document;  ProjectInfo proInfo = doc.ProjectInformation;  // 项目信息只存在于项目文档中。  if (null != proInfo)  {   if (string.IsNullOrEmpty(proInfo.Status))   {    // 取消另存行为    args.Cancel = true;    MessageBox.Show("项目参数没有设置。取消保存。");   }  }}//============代码片段9-3：闲置事件响应函数============//实现外部程序的Execute函数//创建一个文字，并且注册一个闲置事件TextNote textNote = null;String oldDateTime = null;public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements){  UIApplication uiApp = new UIApplication(commandData.Application.Application);  Document doc = commandData.Application.ActiveUIDocument.Document;  using (Transaction t = new Transaction(doc, "Text Note Creation"))  {   t.Start();   textNote = doc.Create.NewTextNote(doc.ActiveView, XYZ.Zero, XYZ.BasisX, XYZ.BasisY, 0, TextAlignFlags.TEF_ALIGN_LEFT, DateTime.Now.ToString());   t.Commit();  }  oldDateTime = DateTime.Now.ToString();  uiApp.Idling += new EventHandler<IdlingEventArgs>(idleUpdate);  return Result.Succeeded;}//闲置事件处理函数//当时间有更新就将文字内容改为当前时间public void idleUpdate(object sender, IdlingEventArgs e){  UIApplication uiApp = sender as UIApplication;  Document doc = uiApp.ActiveUIDocument.Document;  if (oldDateTime != DateTime.Now.ToString())  {   using (Transaction transaction = new Transaction(doc, "Text Note Update"))   {    transaction.Start();    textNote.Text = DateTime.Now.ToString();    transaction.Commit();   }   oldDateTime = DateTime.Now.ToString();  }}//============代码片段9-4：实现IExternalEventHandler接口============public class ExternalEventExample : IExternalEventHandler{  public void Execute(UIApplication app)  {   TaskDialog.Show("External Event", "Click Close to close.");  }  public string GetName()  {   return "External Event Example";  }}//============代码片段9-5：外部事件的注册和触发============public class ExternalEventExampleApp : IExternalApplication{  public static ExternalEventExampleApp thisApp = null;  // 非模态对话框实例  private ExternalEventExampleDialog m_MyForm;  public Result OnShutdown(UIControlledApplication application)  {   if (m_MyForm != null && m_MyForm.Visible)   {    m_MyForm.Close();   }   return Result.Succeeded;  }  public Result OnStartup(UIControlledApplication application)  {   m_MyForm = null;   // 在外部命令中创建非模态对话框   thisApp = this;  // 静态变量，保存Application实例   return Result.Succeeded;  }  // 外部命令调用此方法  public void ShowForm(UIApplication uiapp)  {   // 如果没有创建对话框，创建并显示它   if (m_MyForm == null || m_MyForm.IsDisposed)   {    // 新建一个外部事件响应实例    ExternalEventExample handler = new ExternalEventExample();    // 新建一个外部事件实例    ExternalEvent exEvent = ExternalEvent.Create(handler);    // 把上面两个实例传给对话框.    m_MyForm = new ExternalEventExampleDialog(exEvent, handler);    m_MyForm.Show();   }  }}[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)][Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]public class Command : IExternalCommand{  public virtual Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)  {   try   {    ExternalEventExampleApp.thisApp.ShowForm(commandData.Application);    return Result.Succeeded;   }   catch (Exception ex)   {    message = ex.Message;    return Result.Failed;   }  }}public partial class ExternalEventExampleDialog : Form{  private ExternalEvent m_ExEvent;  private ExternalEventExample m_Handler;  public ExternalEventExampleDialog(ExternalEvent exEvent, ExternalEventExample handler)  {   InitializeComponent();   m_ExEvent = exEvent;   m_Handler = handler;  }  protected override void OnFormClosed(FormClosedEventArgs e)  {   // 保存的实例需要释放   m_ExEvent.Dispose();   m_ExEvent = null;   m_Handler = null;   base.OnFormClosed(e);  }  private void closeButton_Click(object sender, EventArgs e)  {   Close();  }  //按钮响应函数，点击按钮触发外部事件  private void showMessageButton_Click(object sender, EventArgs e)  {   m_ExEvent.Raise();  }}//============代码片段10-1：创建一个文本框============// 继承IExternalApplication接口public class Ribbon : Autodesk.Revit.DB.IExternalDBApplication{   /// 实现OnStartup   public Autodesk.Revit.UI.Result OnStartup(UIControlledApplication application)   {      // 在OnStartup函数里创建一个Ribbon文本框      application.CreateRibbonTab("CustomTag");      RibbonPanel panel = application.CreateRibbonPanel("CustomTag", "CustomPanel");      TextBox textBox = panel.AddItem(new TextBoxData("CustomTextBox")) as TextBox;      return Autodesk.Revit.UI.Result.Succeeded;   }   // 实现OnStartup   public Autodesk.Revit.UI.Result OnShutdown(UIControlledApplication application)   {      return Autodesk.Revit.UI.Result.Succeeded;   }}//============代码片段10-2：创建一个命令按钮============PushButtonData pushButtonData = new PushButtonData("name", "Text", ECAssemblyPath, ECFullName);PushButton pushButton = panel.AddItem(pushButtonData) as PushButton;//============代码片段10-3：创建一个包含两个子命令按钮的下拉切换按钮============#region 创建一个包含两个 pushButton 的 SplitButton，用来 创建结构墙和非结构墙// 创建一个SplitButtonSplitButtonData splitButtonData = new SplitButtonData("NewWallSplit", "Create Wall");SplitButton splitButton         = panel.AddItem(splitButtonData) as SplitButton;// 创建一个pushButton加到SplitButton的下拉列表里PushButton pushButton   = splitButton.AddPushButton(new PushButtonData("WallPush", "Wall",                          AddInFullPath, "Revit.SDK.Samples.Ribbon.CS.CreateWall"));pushButton.LargeImage   = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "CreateWall.png"), UriKind.Absolute));pushButton.Image        = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "CreateWall-S.png"), UriKind.Absolute));pushButton.ToolTip      = "Creates a partition wall in the building model."；pushButton.ToolTipImage = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "CreateWallTooltip.bmp"), UriKind.Absolute));// 创建另一个pushButton加到SplitButton的下拉列表里pushButton              = splitButton.AddPushButton(new PushButtonData("StrWallPush", "Structure Wall",                          AddInPath, "Revit.SDK.Samples.Ribbon.CS.CreateStructureWall"));pushButton.LargeImage   = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "StrcturalWall.png"), UriKind.Absolute));pushButton.Image        = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "StrcturalWall-S.png"), UriKind.Absolute));#endregion//============代码片段10-4：创建一个下拉组合框来选择墙的类型============// Prepare data to create ComboBoxComboBoxData comboBoxData = new ComboBoxData("WallShapeComboBox");// Create ComboBoxComboBox comboboxWallShape = panel.AddItem(comboBoxData) as ComboBox;// Add options to WallShapeComboBox// Prepare data to create ComboBoxMemberComboBoxMemberData boxMemberData = new ComboBoxMemberData("RectangleWall","RectangleWall");// Create ComboBoxMemberComboBoxMember boxMember = comboboxWallShape.AddItem(boxMemberData);boxMember.Image = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "RectangleWall.png"), UriKind.Absolute));// Prepare data to create ComboBoxMemberboxMemberData = new ComboBoxMemberData("CircleWall", "CircleWall");// Create ComboBoxMemberboxMember = comboboxWallShape.AddItem(boxMemberData);boxMember.Image = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "CircleWall.png"), UriKind.Absolute));// Prepare data to create ComboBoxMemberboxMemberData = new ComboBoxMemberData("TriangleWall", "TriangleWall");// Create ComboBoxMemberboxMember = comboboxWallShape.AddItem(boxMemberData);boxMember.Image = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "TriangleWall.png"), UriKind.Absolute));// Prepare data to create ComboBoxMemberboxMemberData = new ComboBoxMemberData("SquareWall", "SquareWall");// Create ComboBoxMemberboxMember = comboboxWallShape.AddItem(boxMemberData);boxMember.Image = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder, "SquareWall.png"), UriKind.Absolute));//============代码片段10-5：创建一个包含两个切换按钮的切换按钮组，其中每一个切换按钮都不执行具体的ExternalCommand，仅作为选择控件使用  ============// 创建一个RadioButtonGroupRadioButtonGroupData radioButtonGroupData = new RadioButtonGroupData("WallTypeSelector");RadioButtonGroup radioButtonGroup         = (RadioButtonGroup)(                                            panel.AddItem(radioButtonGroupData));// 给RadioButtonGroup添加toggleButtonToggleButton toggleButton = radioButtonGroup.AddItem(                            new ToggleButtonData("Generic8", "Generic - 8\""));toggleButton.LargeImage   = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                            "Generic8.png"), UriKind.Absolute));toggleButton.Image        = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                            "Generic8-S.png"), UriKind.Absolute));// 给RadioButtonGroup添加toggleButtontoggleButton            = radioButtonGroup.AddItem(                          new ToggleButtonData("ExteriorBrick", "Exterior - Brick"));toggleButton.LargeImage = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                          "ExteriorBrick.png"), UriKind.Absolute));toggleButton.Image      = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                          "ExteriorBrick-S.png"), UriKind.Absolute));//============代码片段10-6：创建一个包含两个切换按钮的切换按钮组，其中每一个切换按钮都会执行具体的ExternalCommand============// 创建一个RadioButtonGroupRadioButtonGroupData radioButtonGroupData = new RadioButtonGroupData("WallTypeSelector");RadioButtonGroup radioButtonGroup         = (RadioButtonGroup)(                                            panel.AddItem(radioButtonGroupData));// 给RadioButtonGroup添加toggleButtonToggleButton toggleButton = radioButtonGroup.AddItem(new ToggleButtonData("Generic8",                            "Generic - 8\"",                            AddInPath, "Revit.SDK.Samples.Ribbon.CS.CreateGeneric8Wall"));toggleButton.LargeImage   = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                            "Generic8.png"), UriKind.Absolute));toggleButton.Image        = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                            "Generic8-S.png"), UriKind.Absolute));// 给RadioButtonGroup添加toggleButtontoggleButton            = radioButtonGroup.AddItem(new ToggleButtonData("ExteriorBrick",                          "Exterior - Brick",                          AddInPath, "Revit.SDK.Samples.Ribbon.CS.CreateExteriorBrickWall "));toggleButton.LargeImage = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                          "ExteriorBrick.png"), UriKind.Absolute));toggleButton.Image      = new BitmapImage(new Uri(Path.Combine(ButtonIconsFolder,                          "ExteriorBrick-S.png"), UriKind.Absolute));//============代码片段10-7：EnterPresseds事件 handler============void SetTextValue(object sender, TextBoxEnterPressedEventArgs args){   string strText = m_textBox.Value as string;}//============代码片段10-8：外部命令中Excute函数的定义============public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData,            ref string message, Autodesk.Revit.DB.ElementSet elements){    Application app = commandData.Application.Application;    Document activeDoc = commandData.Application.ActiveUIDocument.Document;    // 通过构造函数创建一个Revit任务对话框    TaskDialog mainDialog = new TaskDialog("自定义标题");    mainDialog.MainInstruction = "任务对话框使用说明：";    mainDialog.MainContent =        "这个例子演示如何通过Revit API自定义Revit样式任务对话框。";    mainDialog.ExpandedContent = "在Revit中，任务对话框可以用于显示信息和接受简单输入。";    // 为任务对话框添加命令链接    mainDialog.AddCommandLink(TaskDialogCommandLinkId.CommandLink1,                              "查看Revit Application信息");    mainDialog.AddCommandLink(TaskDialogCommandLinkId.CommandLink2,                              "查看当前文档信息");    // 设置普通按钮以及默认按钮    mainDialog.CommonButtons = TaskDialogCommonButtons.Ok | TaskDialogCommonButtons.Cancel;    mainDialog.DefaultButton = TaskDialogResult.Ok;    mainDialog.VerificationText = "不再提示该消息";    // 设置文字信息，一般为一个链接    mainDialog.FooterText =        "<a href=\"http://www.autodesk.com\">"        + "点击此处了解更多</a>";    // 显示任务对话框，并取得返回值。    TaskDialogResult tResult = mainDialog.Show();    // 使用对话框返回值来做进一步的事情    if (TaskDialogResult.CommandLink1 == tResult)    {        TaskDialog dialog_CommandLink1 = new TaskDialog("版本信息");        dialog_CommandLink1.MainInstruction =            "版本名: " + app.VersionName + "\n"            + "版本号: " + app.VersionNumber;        dialog_CommandLink1.Show();    }    else if (TaskDialogResult.CommandLink2 == tResult)    {        // 使用静态方法创建显示任务对话框        TaskDialog.Show("活动文档信息",            "活动文档标题: " + activeDoc.Title + "\n"            + "活动文档名: " + activeDoc.ActiveView.Name);    }    return Autodesk.Revit.UI.Result.Succeeded;}//============代码片段11-1：通过StructuralType区分结构柱，结构梁，结构支撑和独立基础============public void GetStructuralType(FamilyInstance familyInstance){   string message = "";   switch (familyInstance.StructuralType)   {      case StructuralType.Beam: // 结构梁         message = "FamilyInstance is a beam.";         break;      case StructuralType.Brace: // 结构支撑         message = "FamilyInstance is a brace.";         break;      case StructuralType.Column: // 结构柱         message = "FamilyInstance is a column.";         break;      case StructuralType.Footing: // 独立地基         message = "FamilyInstance is a footing.";         break;      default:         message = "FamilyInstance is non-structural or unknown framing.";         break;   }}//============代码片段11-2：获取边界条件的类别与几何信息============//BoundaryConditions BC// 通过BOUNDARY_CONDITIONS_TYPE参数获取此边界条件的类别Parameter param = BC.get_Parameter(BuiltInParameter.BOUNDARY_CONDITIONS_TYPE);switch (param.AsInteger()){   case 0: // 点边界条件，几何信息表现为一个点      XYZ point = BC.Point;      break;   case 1: // 线边界条件，几何信息表现为一条线      Curve curve = BC.get_Curve(0);      break;   case 2: // 面边界条件，几何信息表现多条线的集合      CurveArray profile = new CurveArray();      for (int i = 0; i < BC.NumCurves; i++)      {         profile.Append(BC.get_Curve(i));      }      break;   default:      break;}//============代码片段11-3：在结构柱上创建线边界条件============//FamilyInstance beam//Autodesk.Revit.Creation.Document creDocumentAnalyticalModel beamAM = beam.GetAnalyticalModel();Curve curve = beamAM.GetCurve();AnalyticalModelSelector selector = new AnalyticalModelSelector(curve);selector.CurveSelector = AnalyticalCurveSelector.WholeCurve;Reference wholeCurveRef = beamAM.GetReference(selector);// 通过 NewLineBoundaryConditions 重载方法一创建线边界条件BoundaryConditions createdBC1 = creDocument.NewLineBoundaryConditions(beamAM,                                            TranslationRotationValue.Release, 0,                                            TranslationRotationValue.Fixed, 0,                                            TranslationRotationValue.Fixed, 0,                                            TranslationRotationValue.Fixed, 0);// 通过 NewLineBoundaryConditions 重载方法二创建线边界条件BoundaryConditions createdBC2 = creDocument.NewLineBoundaryConditions(wholeCurveRef,                                            TranslationRotationValue.Release, 0,                                            TranslationRotationValue.Fixed, 0,                                            TranslationRotationValue.Fixed, 0,                                            TranslationRotationValue.Fixed, 0);//============代码片段11-4：获取分析模型============CurveArray profile = new CurveArray();// API 创建一个结构楼板Floor struFloor = RevitDoc.Create.NewFloor(profile, true);// Regenerate revit documentRevitDoc.Regenerate();// 获取改楼板的分析模型AnalyticalModel floorAM = struFloor.GetAnalyticalModel();//============代码片段11-5：获取独立基础的分析模型几何信息============// 该元素是独立基地FamilyInstance familyInst = element as FamilyInstance;if (null != familyInst && familyInst.StructuralType == StructuralType.Footing){   AnalyticalModel model = familyInst.GetAnalyticalModel();   // 独立地基的分析模型被表达为一个点   if (model.IsSinglePoint() == true)   {      XYZ analyticalLocationPoint = model.GetPoint();   }}//============代码片段11-6：获取结构柱的分析模型几何信息============// 该元素为结构柱FamilyInstance familyInst = element as FamilyInstance;if (null != familyInst && familyInst.StructuralType == StructuralType.Column){   AnalyticalModel model = familyInst.GetAnalyticalModel();   // 结构柱的分析结构被表达为一条线   if (model.IsSingleCurve() == true)   {      XYZ analyticalLocationPoint = model.GetCurve ();   }}//============代码片段11-7：获取结构墙的分析模型几何信息============Wall wall = null;// 获取结构墙的分析模型AnalyticalModel amWall = wall.GetAnalyticalModel() as AnalyticalModel;if (null == amWall){   // 建筑墙没有分析模型   return;}// 获取分析模型曲线int modelCurveNum = amWall.GetCurves(AnalyticalCurveType.ActiveCurves).Count;//============代码片段11-8：获取独立基础的分析模型点的参照============// element: 一个独立基础// 获取独立基础的分析模型AnalyticalModel am = element.GetAnalyticalModel();AnalyticalModelSelector amSelector = new AnalyticalModelSelector();// 获取独立基础的分析模型点的几何引用Reference refer = am.GetReference(amSelector);//============代码片段11-9：获取结构梁的分析模型曲线的几何引用============//element: 一个结构梁// 获取结构梁的分析模型AnalyticalModel am = element.GetAnalyticalModel();// 获取结构梁的分析模型曲线的几何引用AnalyticalModelSelector amSelector = new AnalyticalModelSelector(AnalyticalCurveSelector.WholeCurve);Reference wholeCurveRefer = am.GetReference(amSelector);// 获取结构梁的分析模型曲线的起点的几何引用amSelector = new AnalyticalModelSelector(AnalyticalCurveSelector.StartPoint);Reference curveStartPointRefer = am.GetReference(amSelector);// 获取结构梁的分析模型曲线的终点的几何引用amSelector = new AnalyticalModelSelector(AnalyticalCurveSelector.EndPoint);Reference curveEndPointRefer = am.GetReference(amSelector);//============代码片段11-10：获取结构墙的分析模型曲线的参照============//element: 一个结构墙// 获取结构墙的分析模型AnalyticalModel am = element.GetAnalyticalModel();// 获取结构墙分析模型的曲线列表IList<Curve> amCurveList = am.GetCurves(AnalyticalCurveType.ActiveCurves);for (int curveIndex = 0; curveIndex < amCurveList.Count; curveIndex++){   // 获取结构墙的指定的分析模型曲线的几何引用   AnalyticalModelSelector amSelector = new AnalyticalModelSelector(amCurveList[curveIndex], AnalyticalCurveSelector.WholeCurve);   Reference wholeCurveRefer = am.GetReference(amSelector);   // 获取结构墙的指定的分析模型曲线的起点的几何引用   amSelector = new AnalyticalModelSelector(amCurveList[curveIndex], AnalyticalCurveSelector.StartPoint);   Reference curveStartPointRefer = am.GetReference(amSelector);   // 获取结构墙的指定的分析模型曲线的终点的几何引用   amSelector = new AnalyticalModelSelector(amCurveList[curveIndex], AnalyticalCurveSelector.EndPoint);   Reference curveEndPointRefer = am.GetReference(amSelector);}//============代码片段11-11：设置结构柱分析模型底部Z方向投影为 柱底部============am.SetAlignmentMethod(AnalyticalElementSelector.StartOrBase, AnalyticalDirection.Z, AnalyticalAlignmentMethod.Projection);am.SetAnalyticalProjectionType(AnalyticalElementSelector.StartOrBase, AnalyticalDirection.Z, AnalyticalProjectionType.Bottom);//============代码片段11-12：设置结构柱分析模型底部Z方向投影为 标高 1============am.SetAlignmentMethod(AnalyticalElementSelector.StartOrBase, AnalyticalDirection.Z, AnalyticalAlignmentMethod.Projection);am.SetAnalyticalProjectionDatumPlane(AnalyticalElementSelector.StartOrBase, AnalyticalDirection.Z, level1Id);//============代码片段11-13：设置结构梁分析模型的近似曲线============if (am.CanApproximate()){   am.Approximate(true);   am.SetApproximationDeviation(1.5);   am.SetUsesHardPoints(false);}//============代码片段11-14：设置分析模型的 分析为============if(am.IsAnalyzeAsValid(AnalyzeAs.Gravity)){   am.SetAnalyzeAs(AnalyzeAs.Gravity);}//============代码片段11-15：楼板的支撑信息============public void GetSupportInfo_Floor(Floor floor){   // floor : 楼板   // 获取楼板的分析模型   AnalyticalModel amFloor = floor.GetAnalyticalModel();   // 在这里IsElementFullySupported方法将返回true，这表明楼板被完全支撑   bool fullySuported = amFloor.IsElementFullySupported();   // 获取具体的支撑信息，将返回含有三个support成员的列表。每一个support都对应一根结构梁对地板提供的支撑   IList<AnalyticalModelSupport> supportList = amFloor.GetAnalyticalModelSupports();   foreach (AnalyticalModelSupport support in supportList)   {      // 返回当前提供支撑的分析梁的id      ElementId id = support.GetSupportingElement();      // 返回CurveSupport，表明该支撑是一个线性支撑      AnalyticalSupportType supportType = support.GetSupportType();      // 根据支撑力类型的不同，可以分别通过GetPoint，GetCurve，GetFace这三种方法之一获取支撑力的具体几何位置      switch (supportType)      {         case AnalyticalSupportType.PointSupport:            XYZ point = support.GetPoint();            break;            case AnalyticalSupportType.CurveSupport:            Curve curve = support.GetCurve();            break;         case AnalyticalSupportType.SurfaceSupport:            Face face = support.GetFace();            break;         case AnalyticalSupportType.UnknownSupport:            break;      }      // 通过GetPriority方法可以获取当前支撑力的优先权。当一个物体被多项支撑时，该属性可对提供的支撑进行排序，从而可选取最优的支撑      AnalyticalSupportPriority supportPriority = support.GetPriority();   }}//============代码片段11-16：楼板的支撑信息============// 楼板的支撑信息public void GetSupportInfo_Floor(Floor floor){   // floor : 楼板   // 获取楼板的分析模型   AnalyticalModel amFloor = floor.GetAnalyticalModel();   // 在这里IsElementFullySupported方法将返回false，这表明楼板未被完全支撑   bool fullySuported = amFloor.IsElementFullySupported();   // 获取具体的支撑信息，将返回一个空列表。表示该楼板没有任何支撑物   IList<AnalyticalModelSupport> supportList = amFloor.GetAnalyticalModelSupports();   If(supportList.Count == 0) string message = “楼板没有支撑”;}//============代码片段11-17：墙的支撑信息============// 该实例中墙的支撑信息public void GetSupportInfo_Walls(Wall wall){   // wall : 四面墙中的任何一面墙   // 获取墙的分析模型   AnalyticalModel amWall = wall.GetAnalyticalModel();   // 在这里IsElementFullySupported方法将返回true，这表明墙被完全支撑   bool fullySuported = amWall.IsElementFullySupported();   // 获取具体的支撑信息，这里返回只含有一个support成员的列表。这个support对应墙下面的楼板   IList<AnalyticalModelSupport> supportList = amWall.GetAnalyticalModelSupports();   foreach (AnalyticalModelSupport support in supportList)   {      // 返回当前提供支撑的楼板的分析模型的id      ElementId id = support.GetSupportingElement();      // 返回CurveSupport，表明该支撑是一个线性支撑      AnalyticalSupportType supportType = support.GetSupportType();      // 根据支撑力类型的不同，可以分别通过GetPoint，GetCurve，GetFace这三种方法之一获取支撑力的具体几何位置      switch (supportType)      {         case AnalyticalSupportType.PointSupport:            XYZ point = support.GetPoint();            break;            case AnalyticalSupportType.CurveSupport:            Curve curve = support.GetCurve();            break;         case AnalyticalSupportType.SurfaceSupport:            Face face = support.GetFace();            break;         case AnalyticalSupportType.UnknownSupport:            break;      }      AnalyticalSupportPriority supportPriority = support.GetPriority();   }}//============代码片段11-18：结构梁的支撑信息============// 该实例中梁的支撑信息public void GetSupportInfo_Beam(FamilyInstance beam){   // beam: 结构梁   // 获取梁的分析模型   AnalyticalModel amBeam = beam.GetAnalyticalModel();   // 在这里IsElementFullySupported方法将返回false，这表明梁未被完全支撑   bool fullySuported = amBeam.IsElementFullySupported();   // 获取具体的支撑信息，这里返回只含有一个support成员的列表。这个support对应该示例中的结构柱   IList<AnalyticalModelSupport> supportList = amBeam.GetAnalyticalModelSupports();   foreach (AnalyticalModelSupport support in supportList)   {      // 返回提供该支撑的结构柱的分析模型的id      ElementId id = support.GetSupportingElement();      // 返回PointSupport，表明该支撑是一个点支撑      AnalyticalSupportType supportType = support.GetSupportType();      // 根据支撑力类型的不同，可以分别通过GetPoint，GetCurve，GetFace这三种方法之一获取支撑力的具体几何位置      switch (supportType)      {         case AnalyticalSupportType.PointSupport:            XYZ point = support.GetPoint();            break;            case AnalyticalSupportType.CurveSupport:            Curve curve = support.GetCurve();            break;         case AnalyticalSupportType.SurfaceSupport:            Face face = support.GetFace();            break;         case AnalyticalSupportType.UnknownSupport:            break;      }      AnalyticalSupportPriority supportPriority = support.GetPriority();   }}//============代码片段11-19：调整结构柱分析模型的顶端向上（Z方向）偏移5============// columnAnalytical 结构柱的分析模型AnalyticalElementSelector elemSelector = AnalyticalElementSelector.EndOrTop;XYZ offset = new XYZ(0, 0, 5);columnAnalytical.SetOffset(elemSelector, offset);// 返回 XYZ(0, 0, 5);XYZ regetOffset = columnAnalytical.GetOffset(elemSelector);//============代码片段11-20：通过手动调整使结构柱的分析模型与某结构梁的分析模型相连接============// columnAnalytical:分析柱// beamAnalytical 分析梁// 判断该分析模型支持手动调整if(columnAnalytical.SupportsManualAdjustment()){   Reference sourceRef = columnAnalytical.GetReference(new AnalyticalModelSelector(AnalyticalCurveSelector.EndPoint));   Reference targetRef = beamAnalytical.GetReference(new AnalyticalModelSelector(AnalyticalCurveSelector.EndPoint));   // 手动调整分析柱的终点到分析梁的终点   columnAnalytical.ManuallyAdjust(sourceRef, targetRef);   bool isManuallyAdjusted = columnAnalytical.IsManuallyAdjusted());//true   // 将分析模型设置回默认位置   columnAnalytical.ResetManualAdjustment();   isManuallyAdjusted = columnAnalytical.IsManuallyAdjusted()); //true}//============代码片段11-21：读取Revit文档对象里所有的分析链接，包括自动创建的和手动创建的============public void ReadAnalyticalLinks(Document document){   // 过滤出所有的分析链接元素   FilteredElementCollector collectorAnalyticalLinks = new FilteredElementCollector(document);   collectorAnalyticalLinks.OfClass(typeof(AnalyticalLink));  IEnumerable<AnalyticalLink> alinks = collectorAnalyticalLinks.                                       ToElements().Cast<AnalyticalLink>();  int nAutoGeneratedLinks = 0;  int nManualLinks = 0;  foreach (AnalyticalLink alink in alinks)  {      // 统计Revit自动创建的分析链接      if (alink.IsAutoGenerated() == true)         nAutoGeneratedLinks++;      else // 统计手动创建的分析链接         nManualLinks++;   }   string msg = "Auto-generated AnalyticalLinks: " + nAutoGeneratedLinks;   msg += "\nManually created AnalyticalLinks: " + nManualLinks;   TaskDialog.Show("AnalyticalLinks", msg);}//============代码片段11-22：选择两个族实例创建分析链接============public void CreateLink(Document doc, FamilyInstance fi1, FamilyInstance fi2){   // 得到该Document里所有的分析节点   FilteredElementCollector hubCollector = new FilteredElementCollector(doc);   hubCollector.OfClass(typeof(Hub));   ICollection<Element> allHubs = hubCollector.ToElements();   // 得到第一个AnalyticalLinkType   FilteredElementCollector linktypeCollector = new FilteredElementCollector(doc);   linktypeCollector.OfClass(typeof(AnalyticalLinkType));   ElementId firstLinkType = linktypeCollector.ToElementIds().First();   // 得到指定的族实例的分析节点   ElementId startHubId = GetHub(fi1.GetAnalyticalModel().Id, allHubs);   ElementId endHubId = GetHub(fi2.GetAnalyticalModel().Id, allHubs);   Transaction tran = new Transaction(doc, "Create Link");   tran.Start();   // 通过指定两个分析节点来创建分析链接   AnalyticalLink createdLink = AnalyticalLink.Create(doc, firstLinkType, startHubId, endHubId);   tran.Commit();}/// <summary>/// 获取指定的分析模型的第一个分析节点/// </summary>/// <param name="hostId">分析模型</param>/// <param name="allHubs">分析节点集合</param>/// <returns>返回指定的分析模型的第一个分析节点</returns>private ElementId GetHub(ElementId hostId, ICollection<Element> allHubs){   foreach (Element ehub in allHubs)   {      Hub hub = ehub as Hub;      ConnectorManager manager = hub.GetHubConnectorManager();      ConnectorSet connectors = manager.Connectors;      foreach (Connector connector in connectors)      {         ConnectorSet refConnectors = connector.AllRefs;         foreach (Connector refConnector in refConnectors)         {            if (refConnector.Owner.Id == hostId)            {               return hub.Id;            }         }      }   }   return ElementId.InvalidElementId;}//============代码片段12-1 读写外观元素============public void GetAndSetMaterialAppearance(Document doc, Material mat, Asset anotherAsset){    ElementId assetElementId = mat.AppearanceAssetId;    if (assetElementId != ElementId.InvalidElementId)    {        // 获取材料的外观元素(AppearanceAssetElement)实例        AppearanceAssetElement appearanceElement =            doc.GetElement(assetElementId) as AppearanceAssetElement;        // 读写外观的属性集合（Asset）        Asset currentAsset = appearanceElement.GetRenderingAsset();        appearanceElement.SetRenderingAsset(anotherAsset);    }    // 设置材料的外观元素。    FilteredElementCollector cotr = new FilteredElementCollector(doc);    IEnumerable<AppearanceAssetElement> allAppearanceElements =        cotr.OfClass(typeof(AppearanceAssetElement)).Cast<AppearanceAssetElement>();    mat.AppearanceAssetId = allAppearanceElements.First<AppearanceAssetElement>().Id;}//============代码片段12-2 加载外观元素到文档============public void LoadAndGetAllAppearanceAssets(    Autodesk.Revit.ApplicationServices.Application revitApp){    AssetSet theAssetSet = revitApp.get_Assets(AssetType.Appearance);    foreach (Asset theAsset in theAssetSet)    {        // 你可以在这里读取用ＡＰＩ加载的外观元素了。    }}//============代码片段12-3 创建材料的物理和热度============/// <summary>/// Create a new brick material/// </summary>/// <returns>The specific material</returns>private Material CreateSampleBrickMaterial(){    SubTransaction createMaterial = new SubTransaction(this.m_document.Document);    createMaterial.Start();    Material materialNew = null;    //Try to copy an existing material.  If it is not available, create a new one.    Material masonry_Brick = GetMaterial("Brick, Common");    if (masonry_Brick != null)    {        materialNew = masonry_Brick.Duplicate(masonry_Brick.Name + "_new");        System.Diagnostics.Debug.WriteLine(masonry_Brick.MaterialClass);        materialNew.MaterialClass = "Brick";    }    else    {        ElementId idNew = Material.Create(m_document.Document, "New Brick Sample");        materialNew = m_document.Document.GetElement(idNew) as Material;        materialNew.Color = new Autodesk.Revit.DB.Color(255, 0, 0);    }    createMaterial.Commit();    SubTransaction createPropertySets = new SubTransaction(this.m_document.Document);    createPropertySets.Start();    //Create a new structural asset and set properties on it.    StructuralAsset structuralAsssetBrick = new StructuralAsset("BrickStructuralAsset" , Autodesk.Revit.DB.StructuralAssetClass.Generic);    structuralAsssetBrick.DampingRatio = .5;    PropertySetElement pseStructural = PropertySetElement.Create(m_document.Document, structuralAsssetBrick);    //Create a new thermal asset and set properties on it.    ThermalAsset thermalAssetBrick = new ThermalAsset("BrickThermalAsset", Autodesk.Revit.DB.ThermalMaterialType.Solid);    thermalAssetBrick.Porosity = 0.1;    thermalAssetBrick.Permeability = 0.2;    thermalAssetBrick.Compressibility = .5;    thermalAssetBrick.ThermalConductivity = .5;    //Create PropertySets from assets and assign them to the material.    PropertySetElement pseThermal = PropertySetElement.Create(m_document.Document, thermalAssetBrick);    createPropertySets.Commit();    SubTransaction setPropertySets = new SubTransaction(this.m_document.Document);    setPropertySets.Start();    materialNew.SetMaterialAspectByPropertySet(MaterialAspect.Structural, pseStructural.Id);    materialNew.SetMaterialAspectByPropertySet(MaterialAspect.Thermal, pseThermal.Id);    //also try    //materialNew.ThermalAssetId = pseThermal.Id;    setPropertySets.Commit();    return materialNew;}//============代码片段12-4为墙体设置材料============public void GetAndSetMaterialForWall(Document doc, Wall wall, Material newMat){    // 得到墙体的复合结构（CompoundStructure）实例    WallType wallType = wall.WallType;    CompoundStructure wallCS = wallType.GetCompoundStructure();    // 得到墙体第一层材料的元素Id    CompoundStructureLayer firstLayer = wallCS.GetLayers().First<CompoundStructureLayer>();    ElementId currentMatId = firstLayer.MaterialId;    // 为墙体第一层设置一个新材料    firstLayer.MaterialId = newMat.Id;}//============代码片段13-1：创建风管============public static Duct CreateDuct(Document doc){    ElementId systemTypeId, ductTypeId, levelId;    systemTypeId = ductTypeId = levelId = ElementId.InvalidElementId;    // 获取标高Id    var levelFilter = new ElementClassFilter(typeof(Level));    FilteredElementCollector levels = new FilteredElementCollector(doc);    levels = levels.WherePasses(levelFilter);    foreach (Level level in levels)    {        if (level.Name == "Level 1")        {            levelId = level.Id;            break;        }    }    if(levelId == ElementId.InvalidElementId)        throw new Exception("无法标高");    // 获取类型为SupplyAir的系统类型    var systemTypeFilter = new ElementClassFilter(typeof(MEPSystemType));    FilteredElementCollector systemTypes = new FilteredElementCollector(doc);    systemTypes = systemTypes.WherePasses(systemTypeFilter);    List<MEPSystemType> systypes = new List<MEPSystemType>();    foreach (MEPSystemType element in systemTypes)    {        if (element.SystemClassification == MEPSystemClassification.SupplyAir)        {            systemTypeId = element.Id;            break;        }    }    if (systemTypeId == ElementId.InvalidElementId)        throw new Exception("无法找到系统类型");    // 获取风管类型    var ductTypeFilter = new ElementClassFilter(typeof(DuctType));    FilteredElementCollector ductTypes = new FilteredElementCollector(doc);    var result = ductTypes.WherePasses(ductTypeFilter).ToList();    foreach (DuctType element in result)    {        ductTypeId = element.Id;        break;    }    // 创建风管    using (Transaction transaction = new Transaction(doc))    {        transaction.Start("创建风管");        Duct duct = Duct.Create(doc, systemTypeId, ductTypeId, levelId, new XYZ(0, 10, 0), new XYZ(10, 0, 0));        transaction.Commit();        return duct;    }}//============代码片段13-2：============public void GetElementAtConnector(Connector connector){   MEPSystem mepSystem = connector.MEPSystem;   if (null != mepSystem)   {      string message = "Connector is owned by: " + connector.Owner.Name;      if (connector.IsConnected == true)      {         ConnectorSet connectorSet = connector.AllRefs;         ConnectorSetIterator csi = connectorSet.ForwardIterator();         while (csi.MoveNext())         {            Connector connected = csi.Current as Connector;            if (null != connected)            {               // look for physical connections               if (connected.ConnectorType == ConnectorType.EndConn ||                  connected.ConnectorType == ConnectorType.CurveConn ||                  connected.ConnectorType == ConnectorType.PhysicalConn)               {                  message += "\nConnector is connected to: " + connected.Owner.Name;                  message += "\nConnection type is: " + connected.ConnectorType;               }            }         }      }      else      {         message += "\nConnector is not connected to anything.";      }      MessageBox.Show(message, "Revit");   }}//============代码片段13-3：创建弯头============public static void ConnectTwoDuctsWithElbow(Document doc, Duct duct1, Duct duct2){    double minDistance = double.MaxValue;    Connector connector1, connector2;    connector1 = connector2 = null;    // 找到距离最近的两个Connector    foreach (Connector con1 in duct1.ConnectorManager.Connectors)    {        foreach (Connector con2 in duct2.ConnectorManager.Connectors)        {            var dis = con1.Origin.DistanceTo(con2.Origin);            if (dis < minDistance)            {                minDistance = dis;                connector1 = con1;                connector2 = con2;            }        }    }    if (connector1 != null && connector2 != null)    {        using (Transaction transaction = new Transaction(doc))        {            transaction.Start("Create Elbow");            doc.Create.NewElbowFitting(connector1, connector2);            transaction.Commit();        }    }}//============代码片段13-4：============public static void CreateMechanicalSystem(Document doc, DuctSystemType systemType, FamilyInstance equipment, params FamilyInstance[] airTerminals){    var me = equipment.MEPModel as MEPModel;    if (me != null)    {        // 获取符合条件的设备上的电气连接件        var connsOfEquipment = GetConnector(me.ConnectorManager, systemType).ToList();        if (connsOfEquipment.Count > 0)        {            // 选取设备上的第一个电气连接件            var equipmentConn = connsOfEquipment[0];            var connsOfTerminals = new ConnectorSet();            foreach (var terminal in airTerminals)            {                // 获取符合条件的散流器上的电气连接件，取第一个                var airTerminalEquipment = terminal.MEPModel as MEPModel;                var airConns = GetConnector(airTerminalEquipment.ConnectorManager, systemType);                var airConn = airConns.FirstOrDefault();                if (airConn != null)                    connsOfTerminals.Insert(airConn);            }            // 创建风管系统            using (Transaction transaction = new Transaction(doc))            {                transaction.Start("Create System");                doc.Create.NewMechanicalSystem(equipmentConn, connsOfTerminals, systemType);                transaction.Commit();            }        }    }}// 获取符合管道系统的电气连接件private static IEnumerable<Connector> GetConnector(ConnectorManager conMgr, DuctSystemType systemType){    foreach (Connector conn in conMgr.Connectors)    {        // Domain为Hvac，否则DuctSystemType属性会抛出异常        if (conn.Domain == Domain.DomainHvac && conn.DuctSystemType == systemType)        {            yield return conn;        }    }}//============代码片段13-5：============using (Transaction tran = new Transaction(doc, "DuctSettings")){   tran.Start();   //获取Revit的风管设置对象   DuctSettings ductSettings = DuctSettings.GetDuctSettings(doc);   //设置风管设置的角度参数   ductSettings.FittingAngleUsage = FittingAngleUsage.UseAnAngleIncrement;   tran.Commit();}//============代码片段13-6：添加电压============using (Transaction tran = new Transaction(doc, "ElectricalSetting")){   tran.Start();   //获取Revit的电气设置对象   ElectricalSetting electricalSettings = ElectricalSetting.GetElectricalSettings(doc);   //向电压定义参数中加入220伏电压   electricalSettings.AddVoltageType("220伏电压", 220, 220, 220);   tran.Commit();}//============代码片段13-7：创建分区和空间============using (Transaction tran = new Transaction(doc, "Create new space")){   tran.Start();   Level level1 = doc.GetElement(new ElementId(311)) as Level;   Phase phase1 = doc.GetElement(new ElementId(86961)) as Phase;   //用时期(Phase)创建空间   Space space1 = doc.Create.NewSpace(phase1);   //用标高(Level)和平面的点创建空间   Space space2 = doc.Create.NewSpace(level1, new UV(-31, -19));   //用时期(Phase)，标高(Level)和平面的点创建空间   Space space3 = doc.Create.NewSpace(level1, phase1, new UV(4, 16));  //用标高(Level)和时期(Phase)创建分区   Zone zone1 = doc.Create.NewZone(level1, phase1);   SpaceSet spaceSet = new SpaceSet();   spaceSet.Insert(space1);   spaceSet.Insert(space2);   spaceSet.Insert(space3);   //将空间添加到分区中   zone1.AddSpaces(spaceSet);   tran.Commit();}//============代码片段14-1：创建一个文字注释元素============public void MyFirstMacroAppCS(){  Autodesk.Revit.DB.XYZ baseVec = Application.Create.NewXYZ(1.0, 0.0, 0.0);  Autodesk.Revit.DB.XYZ upVec = Application.Create.NewXYZ(0.0, 0.0, 1.0);  Autodesk.Revit.DB.XYZ origin = Application.Create.NewXYZ(0.0, 0.0, 0.0);  Autodesk.Revit.DB.TextAlignFlags align = Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_LEFT | Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_TOP;  string strText = "My First Macro, App level, C#!";  double lineWidth = 4.0 / 12.0;  Autodesk.Revit.DB.View pView = ActiveUIDocument.Document.ActiveView;  Autodesk.Revit.DB.Transaction t = new Autodesk.Revit.DB.Transaction(ActiveUIDocument.Document, "NewTextNote");  t.Start();  ActiveUIDocument.Document.Create.NewTextNote(pView, origin, baseVec, upVec, lineWidth, align, strText);  t.Commit();}//============代码片段14-2：创建一个文字注释元素（C#）============public void MyFirstMacroAppCS(){  Autodesk.Revit.DB.XYZ baseVec = Application.Create.NewXYZ(1.0, 0.0, 0.0);  Autodesk.Revit.DB.XYZ upVec = Application.Create.NewXYZ(0.0, 0.0, 1.0);  Autodesk.Revit.DB.XYZ origin = Application.Create.NewXYZ(0.0, 0.0, 0.0);  Autodesk.Revit.DB.TextAlignFlags align = Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_LEFT | Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_TOP;  string strText = "My First Macro, App level, C#!";  double lineWidth = 4.0 / 12.0;  Autodesk.Revit.DB.View pView = ActiveUIDocument.Document.ActiveView;  Autodesk.Revit.DB.Transaction t = new Autodesk.Revit.DB.Transaction(ActiveUIDocument.Document, "NewTextNote");  t.Start();  ActiveUIDocument.Document.Create.NewTextNote(pView, origin, baseVec, upVec, lineWidth, align, strText);  t.Commit();}//============代码片段14-3：创建一个文字注释元素（VB.NET）============Public Sub MyFirstMacroAppVB()  Dim baseVec As Autodesk.Revit.DB.XYZ = Application.Create.NewXYZ(1.0, 0.0, 0.0)  Dim upVec As Autodesk.Revit.DB.XYZ = Application.Create.NewXYZ(0.0, 0.0, 1.0)  Dim origin As Autodesk.Revit.DB.XYZ = Application.Create.NewXYZ(0.0, 0.0, 0.0)  Dim align As Autodesk.Revit.DB.TextAlignFlags = Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_LEFT Or Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_TOP  Dim strText As String = "My First Macro, App Level, VB.NET!"  Dim lineWidth As Double = 4.0 / 12.0  Dim pView As Autodesk.Revit.DB.View = ActiveUIDocument.Document.ActiveView  Dim Transaction As Autodesk.Revit.DB.Transaction = New Autodesk.Revit.DB.Transaction(ActiveUIDocument.Document, "NewTextNote")  Transaction.Start()  ActiveUIDocument.Document.Create.NewTextNote(pView, origin, baseVec, upVec, lineWidth, align, strText)  Transaction.Commit()End Sub//============代码片段14-4：显示版本和文件标题（Ruby）============def SampleMacroImplementation()  revitVersion = self.Application.VersionBuild  docTitle = ""  if (self.ActiveUIDocument.Document!= nil)    docTitle = self.ActiveUIDocument.Document.Title  end  TaskDialog.Show("Ruby Sample", "Revit Version: " + revitVersion + ", Document title: " + docTitle)end//============代码片段14-5：显示版本和文件标题（Python）============def SampleMacro(self):  revitVersion = self.Application.VersionBuild  docTitle = ""  if (self.ActiveUIDocument.Document!= None):    docTitle = self.ActiveUIDocument.Document.Title;  TaskDialog.Show("Python Sample", "Revit Version: " + revitVersion + ", Document title: " + docTitle)//============代码片段14-6：创建一个文字注释元素（C#）============public void MyFirstMacroDocCS(){  Autodesk.Revit.DB.XYZ baseVec = Document.Application.Create.NewXYZ(0.0, 0.0, 1.0);  Autodesk.Revit.DB.XYZ upVec = Document.Application.Create.NewXYZ(0.0, 0.0, 1.0);  Autodesk.Revit.DB.XYZ origin = Document.Application.Create.NewXYZ(0.0, 0.0, 0.0);  Autodesk.Revit.DB.TextAlignFlags align = Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_LEFT | Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_TOP;  string strText = "My First Macro, Doc level, C#!";  double lineWidth = 4.0 / 12.0;  Autodesk.Revit.DB.Transaction t = new Autodesk.Revit.DB.Transaction(Document, "NewTextNote");  t.Start();  Autodesk.Revit.DB.View pView = Document.ActiveView;  Document.Create.NewTextNote(pView, origin, baseVec, upVec, lineWidth, align, strText);  t.Commit();}//============代码片段14-7：创建一个文字注释元素（VB.NET）============Public Sub MyFirstMacroDocVB()  Dim baseVec As Autodesk.Revit.DB.XYZ = Document.Application.Create.NewXYZ(1.0, 0.0, 0.0)  Dim upVec As Autodesk.Revit.DB.XYZ = Document.Application.Create.NewXYZ(0.0, 0.0, 1.0)  Dim origin As Autodesk.Revit.DB.XYZ = Document.Application.Create.NewXYZ(0.0, 0.0, 0.0)  Dim align As Autodesk.Revit.DB.TextAlignFlags = Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_LEFT Or Autodesk.Revit.DB.TextAlignFlags.TEF_ALIGN_TOP  Dim strText As String = "My First Macro, Doc Level, VB.NET!"  Dim lineWidth As Double = 4.0 / 12.0  Dim pView As Autodesk.Revit.DB.View = Document.ActiveView  Dim Transaction As Autodesk.Revit.DB.Transaction = New Autodesk.Revit.DB.Transaction(Document, "NewTextNote")  Transaction.Start()  Document.Create.NewTextNote(pView, origin, baseVec, upVec, lineWidth, align, strText)  Transaction.Commit()End Sub//============代码片段14-8：显示版本和文件标题（Ruby）============def SampleMacroImplementation()  revitVersion = self.Application.Application.VersionBuild  docTitle = ""  if (self.Document!= nil)  docTitle = self.Document.Title  end  TaskDialog.Show("Ruby Sample", "Revit Version: " + revitVersion + ", Document title: " + docTitle)end//============代码片段14-9：显示版本和文件标题（Python）============def SampleMacro(self):  revitVersion = self.Application.Application.VersionBuild  docTitle = ""  if (self.Document!= None):    docTitle = self.Document.Title;  TaskDialog.Show("Python Sample", "Revit Version: " + revitVersion + ", Document title: " + docTitle)//============代码片段15-1：HelloRevit（VB.NET）============Imports SystemImports AutodeskImports Autodesk.Revit.DBImports Autodesk.Revit.UIImports Autodesk.Revit.ApplicationServices<Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)> _Public Class Command    Implements Autodesk.Revit.UI.IExternalCommand    Public Function Execute(ByVal commandData As Autodesk.Revit.UI.ExternalCommandData, _        ByRef message As String, ByVal elements As Autodesk.Revit.DB.ElementSet) _        As Autodesk.Revit.UI.Result Implements Autodesk.Revit.UI.IExternalCommand.Execute        Dim app As Application        app = commandData.Application.Application        Dim activeDoc As Document        activeDoc = commandData.Application.ActiveUIDocument.Document        Dim mainDialog As TaskDialog        mainDialog = New TaskDialog("Hello, Revit!")        mainDialog.MainInstruction = "Hello, Revit!"        mainDialog.MainContent = _                "This sample shows how a basic ExternalCommand can be added to the Revit user interface." _                + " It uses a Revit task dialog to communicate information to the interactive user.\n"        mainDialog.Show()        Return Autodesk.Revit.UI.Result.Succeeded    End FunctionEnd Class//============代码片段15-2：HelloRevit.addin文件============<?xml version="1.0" encoding="utf-8"?><RevitAddIns>  <AddIn Type="Command">    <Assembly>HelloRevit.dll</Assembly>    <ClientId>0e6385db-b2c0-4397-8702-b1b889bad37c</ClientId>    <FullClassName>HelloRevit.Class1</FullClassName>    <VendorId>ADSK</VendorId>  </AddIn></RevitAddIns>//============代码片段15-3：HelloRevit.h============#pragma onceusing namespace System;using namespace Autodesk::Revit;using namespace Autodesk::Revit::DB;using namespace Autodesk::Revit::UI;using namespace Autodesk::Revit::ApplicationServices;namespace HelloRevit {  public ref class Class1 : IExternalCommand  {  public:    virtual Result Execute(ExternalCommandData^ commandData, String^% message, ElementSet^ elements);  };}//============代码片段15-4：HelloRevit.cpp============#include "stdafx.h"#include "HelloRevit.h"namespace HelloRevit{  Result Class1::Execute(ExternalCommandData^ commandData, String^% message, ElementSet^ elements)  {    Application^ app = commandData->Application->Application;    Document^ activeDoc = commandData->Application->ActiveUIDocument->Document;    TaskDialog^ mainDialog = gcnew TaskDialog("Hello, Revit!");    mainDialog->MainInstruction = "Hello, Revit!";    mainDialog->MainContent = "This sample shows how a basic ExternalCommand can be added to the Revit user interface. It uses a Revit task dialog to communicate information to the interactive user.";    mainDialog->Show();    return Autodesk::Revit::UI::Result::Succeeded;  }}//============代码片段15-5：HelloRevit.addin文件============<?xml version="1.0" encoding="utf-8"?><RevitAddIns>  <AddIn Type="Command">    <Assembly>HelloRevit.dll</Assembly>    <ClientId>0e6385db-b2c0-4397-8702-b1b889bad37c</ClientId>    <FullClassName>HelloRevit.Class1</FullClassName>    <VendorId>ADSK</VendorId>  </AddIn></RevitAddIns>//============代码片段15-6：HelloRevit.h============module Module1open Autodesk.Revitopen Autodesk.Revit.UIopen Autodesk.Revit.Attributesopen Autodesk.Revit.DB[<Transaction(TransactionMode.Manual)>]type Class1 =    interface Autodesk.Revit.UI.IExternalCommand with        member this.Execute(commandData,                            message : string byref,                            elements ) =            let uiApp = commandData.Application            let app  = uiApp.Application            let uiDoc = uiApp.ActiveUIDocument            let doc  = uiDoc.Document            use mainDialog = new TaskDialog("Hello, Revit!")            mainDialog.MainInstruction <- "This sample shows how a basic ExternalCommand can be added to the Revit user interface. It uses a Revit task dialog to communicate information to the interactive user."            let result = mainDialog.Show()            Autodesk.Revit.UI.Result.Succeeded//============代码片段15-7：HelloRevit.addin文件============<?xml version="1.0" encoding="utf-8"?><RevitAddIns>  <AddIn Type="Command">    <Assembly>HelloRevit.dll</Assembly>    <ClientId>1585c811-3dc4-43f4-9ec5-e7e695a6ff72</ClientId>    <FullClassName>HelloRevit.Class1</FullClassName>    <VendorId>ADSK</VendorId>  </AddIn></RevitAddIns>