var ctrlman = m_Map.GetCtrlMan();
    var rs = ctrlman.GetLayerMan().FindLayer(1).FindObject(10).FreeObject();

    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);
    polygon.FreeObject();