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 本帖最后由 windows 于 2011-11-16 16:02 编辑  
 
MapxInfo中添加Bmp图符的代码 
- CMapXFeature obj,newobj;
 
 -   CMapXPoints pts;
 
 -   CMapXPoint pt;
 
  
-   if(!newobj.CreateDispatch(newobj.GetClsid()))
 
 -   {
 
 -     TRACE0("Failed to create Feature object");
 
 -     return;
 
 -   }
 
  
-   if(!pts.CreateDispatch(pts.GetClsid()))
 
 -   {
 
 -     TRACE0("Failed to create Points collection");
 
 -     return;
 
 -   }
 
  
-   if(!pt.CreateDispatch(pt.GetClsid()))
 
 -   {
 
 -     TRACE0("Failed to create Point object");
 
 -     return;
 
 -   } 
 
 -   
 
 -   newobj.Attach(m_ctrlMapX.GetDispatch());
 
 -   try { 
 
 -     newobj = m_ctrlMapX.GetFeatureFactory().CreateSymbol();  
 
 -     
 
 -     CMapXLayer mapxLayer;
 
 -     mapxLayer = m_ctrlMapX.GetLayers().Item("Event List");
 
 -    
 
 -     newobj.GetStyle().SetSymbolType(miSymbolTypeBitmap);
 
 -     newobj.GetStyle().SetSymbolBitmapSize(24);  // 图形的大小控制
 
 -     newobj.GetStyle().SetSymbolBitmapTransparent(FALSE);
 
 -     newobj.GetPoint().Set(-101.023,45.0452); // bmp 图显示的位置
 
  
-     CMapXBitmapSymbols   bmps;  
 
 -     bmps.CreateDispatch(bmps.GetClsid());
 
 -     newobj.GetStyle().SetSymbolBitmapName(bmps.Item(15).GetName()); // 显示的图形
 
 -   
 
 -     obj = mapxLayer.AddFeature(newobj);    
 
 -   }
 
  
-   catch (COleDispatchException *e)
 
 -   {
 
 -     e->ReportError();
 
 -     e->Delete();
 
 -   }
 
  
-   catch (COleException *e)
 
 -   {
 
 -     e->ReportError();
 
 -     e->Delete();
 
 -   }
 
 
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