学步园

    CMapXFields MapFields ;
    
    try{

        LayerInfo.CreateDispatch( LayerInfo.GetClsid() ) ;
        MapFields.CreateDispatch( MapFields.GetClsid() );

        MapFields.AddIntegerField( "C_ID" , TRUE ) ;
        MapFields.AddStringField( "Name" , 32 ) ;

        COleVariant vFields;
        vFields.vt = VT_DISPATCH ;
        vFields.pdispVal = MapFields;
        vFields.pdispVal->AddRef();

        LayerInfo.SetType( miLayerInfoTypeNewTable );  //如果是miLayerInfoTypeTemp，则为临时图层
        LayerInfo.AddParameter("Filespec" , COleVariant("peirenlei") );
        LayerInfo.AddParameter("Name" , COleVariant("peirenlei")  );
        LayerInfo.AddParameter("Fields", vFields );

        m_ctrlMapX.GetLayers().Add( LayerInfo );
        
    }
    catch(COleDispatchException* e) {
        e->ReportError();
        e->Delete();
    } catch(COleException* e) {
        e->ReportError();
        e->Delete();
    }