void CMapcontrol1::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
IGeometryPtr pGeo= this->TrackRectangle();
IMapPtr pMap;
pMap=this->get_Map();
pMap->SelectByShape(pGeo,NULL,NULL);
IActiveViewPtr ipActiveView;
ipActiveView=this->get_ActiveView() ;
ipActiveView->PartialRefresh(esriViewGeoSelection,NULL,NULL);
CWnd::OnLButtonDown(nFlags, point);
}
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