VC动态操作MapX
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m_mapctrl.CreateCustomTool(ADD_MAPICON, miToolTypePoint,CComVariant(2),CComVariant(0),CComVariant(0),CComVariant(0));//, miCrossCursor
void Cmap5testdlgDlg::ToolUsedMap1(short ToolNum, double X1, double Y1, double X2, double Y2, double Distance, BOOL Shift, BOOL Ctrl, BOOL* EnableDefault)
{
// TODO: 在此处添加消息处理程序代码
if(ToolNum==ADD_MAPICON)
{
/*
得到特性工厂,由点创建Symbol得到feature->得到style,最后加入到层;
*/
CMapXPoint point;
CMapXFeature feature;
COleVariant vtPoint;
CMapXLayer layer=m_mapx->GetLayers().Item(1);
CMapXFeatureFactory cFactory=m_mapx->GetFeatureFactory();
point.CreateDispatch(point.GetClsid());
point.Set(X1,Y1);
vtPoint.vt = VT_DISPATCH;
vtPoint.pdispVal = point.m_lpDispatch;
vtPoint.pdispVal->AddRef();
feature=cFactory.CreateSymbol(vtPoint);
//feature.SetCaption();//设置主键,或标签
//feature.SetKeyValue();
CMapXStyle style=feature.GetStyle();
style.PickSymbol();//弹出对话框
feature.SetStyle(style.m_lpDispatch);
layer.SetAutoLabel(true);//自动显示标签或主键
layer.AddFeature(feature);
}
//方法二
/*CMapXFeature fea;
CMapXStyle sy;
CString feakey;
if(!fea.CreateDispatch(fea.GetClsid())) {
TRACE0("Failed to Create Feature object");
return;
}
if(!sy.CreateDispatch(sy.GetClsid())) {
TRACE0("Failed to Create Feature object");
return;
}
sy.SetSymbolFontHalo(1);
sy.GetSymbolFont().SetWeight(12);
sy.SetSymbolCharacter(36); //36表示五角星,还有其他图标
sy.SetSymbolFontColor(0xff);
//if (feakey != "")
//m_mapx->GetLayers().Item("MONLAY").DeleteFeature(feakey);
try {
fea.Attach(m_mapx->GetDispatch());
fea.SetType(miFeatureTypeSymbol);
fea.SetStyle(sy);
fea.GetPoint().Set(X1,Y1);
feakey = m_mapx->GetLayers().Item(1).AddFeature(fea).GetFeatureKey ();
} catch (COleDispatchException *e) {
e->ReportError();
e->Delete();
} catch (COleException *e) {
e->ReportError();
e->Delete();
}*/
}
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