贡献代码: 图层中绘制符号原代码. 如下-MyGIS软件工作室/James MapInfo技术论坛

发表用户：heyou

收集整理：James.Liu

信息原始来源：不祥

文章标题：贡献代码: 图层中绘制符号原代码. 如下

try
    {
     // CMapXLayer layer = m_ctrlMapX.GetLayers().Item(a_EditLayerName);
     CMapXLayer layer = m_ctrlMapX.GetLayers().Item(m_ctrlMapX.GetLayers().GetCount ());

     CMapXFeature ftr;

     CMapXStyle style;
     style.CreateDispatch (style.GetClsid ());
     style.PickSymbol ();
     if (ftr.CreateDispatch(ftr.GetClsid()))
     {
      ftr.Attach(m_ctrlMapX.GetDispatch () );
      // 符号图元
      ftr.SetType(miFeatureTypeSymbol);
      ftr.SetStyle (style.m_lpDispatch );//m_ctrlMapX.GetDefaultStyle ()
      ftr.GetPoint().Set(X1, Y1);
      // 将其添加到图层
      layer.AddFeature (ftr);

      style.ReleaseDispatch ();
      ftr.ReleaseDispatch ();
     }
     else
     {
      TRACE0("Failed to Create Feature object");
      return;
     }
    }
    catch (COleDispatchException *e)
    {
     e->ReportError();
     e->Delete();
    }
    catch (COleException *e)
    {
     e->ReportError();
     e->Delete();
    }