Engine如何设置图层列表数据框的坐标系

Type t = Type.GetTypeFromProgID("esriGeometry.SpatialReferenceEnvironment");

System.Object obj = Activator.CreateInstance(t);

ISpatialReferenceFactory srFact = obj as ISpatialReferenceFactory;

IProjectedCoordinateSystem projectedCS = srFact.CreateProjectedCoordinateSystem(

                (int)esriSRProjCSType.esriSRProjCS_NAD1983UTM_11N);



IMap map = my_MapControl.ActiveView.FocusMap as IMap;

map.SpatialReference = projectedCS as ISpatialReference;