CXUtility util = m_Map.GetUtility();
CXControlState ctrlstate = ctrlman.GetControlState();
CXPoint point = ctrlstate.GetLLCenter();
CXLayer layer;
CXLayerMan layerman = ctrlman.GetLayerMan();
layer = layerman.FindLayer(1000);
CXLayerPolygon polygon = layer.FindObject(100);
long a = polygon.PtInObject(point.GetX()+100,point.GetY()+400);
CString msg;
msg.Format(_T("Result : %d"),a);
AfxMessageBox(msg);