winfrom递归生成菜单，支持多级嵌套

来源：互联网发布：全国行政区划代码 sql 编辑：程序博客网时间：2024/06/03 20:26

private void Form2_Load(object sender, EventArgs e){    CreateMenu();}

private void CreateMenu(){    //定义菜单条    Bar bar = new Bar("Menu Bar");    bar.MenuBar = true;    bar.Stretch = true;    bar.Style = eDotNetBarStyle.Office2003;    dotNetBarManager1.Bars.Add(bar); //添加到dotNetBarManager1对象    bar.DockSide = eDockSide.Top;    //设置Dock样式    System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();    stopwatch.Start(); //  开始监视代码运行时间    var listMenu = GetButtonItem(0);    listMenu.ToList().ForEach(x => bar.Items.Add(x));    bar.RecalcLayout(); //重绘布局    stopwatch.Stop(); //  停止监视    TimeSpan timespan = stopwatch.Elapsed; //  获取当前实例测量得出的总时间    this.labelX1.Text = "生成菜单耗时" + timespan.TotalSeconds.ToString() + "毫秒";    //textBoxX1.LostFocus += (s, e) => { MessageBox.Show("失去焦点"); };}

public class JsonTuple<T1, T2>{    public T1 Item1 { get; set; }    public T2 Item2 { get; set; }    public KeyValuePair<Int32, Int32> KvType { get; set; }    public Boolean Tag { get; set; }    public JsonTuple(T1 item1, T2 item2, KeyValuePair<Int32, Int32> kvType, bool tag)    {        this.Item1 = item1;        this.Item2 = item2;        this.KvType = kvType;        this.Tag = tag;    }    public JsonTuple(T1 item1, T2 item2, bool tag)        : this(item1, item2, new KeyValuePair<int, int>(0, 0), tag)    {    }}

private List<JsonTuple<string, string>> GetMenuSetter(){    List<JsonTuple<string, string>> listMenu = new List<JsonTuple<string, string>>    {        //有&会在字体下面显示下划线        new JsonTuple<string,string>("bFile","&File",new KeyValuePair<int, int>(1,0),false),        new JsonTuple<string,string>("bOpen","Open",new KeyValuePair<int, int>(2,1),false),        new JsonTuple<string,string>("bClose","&Close",new KeyValuePair<int, int>(3,1),false),        new JsonTuple<string,string>("bExit","&Exit",new KeyValuePair<int, int>(4,1),true),        //====================================================        new JsonTuple<string,string>("bCut","&Cut",new KeyValuePair<int, int>(5,0),false),        new JsonTuple<string,string>("bCopy","&Copy",new KeyValuePair<int, int>(6,5),false),        new JsonTuple<string,string>("bPaste","&Paste",new KeyValuePair<int, int>(7,5),false),        new JsonTuple<string,string>("bClear","&Clear",new KeyValuePair<int, int>(8,5),true),    };    return listMenu;}

private IEnumerable<ButtonItem> GetButtonItem(int pid){    var listMenu = GetMenuSetter();    var query = listMenu.Where(x => x.KvType.Value == pid).Select(x =>    {        var bi = new ButtonItem(x.Item1, x.Item2);        bi.Tag = x.KvType; //标记        bi.BeginGroup = x.Tag;        return bi;    });    var plist = query.ToList();    plist        .ForEach(            x => x                .SubItems                .AddRange(                    GetButtonItem(((KeyValuePair<int, int>)x.Tag).Key).ToArray()                )        );    return plist;}

支持多级嵌套，看看效果：

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