ArcGIS Pro 删除选择范围的数据

  protected override Task<bool> OnSketchCompleteAsync(Geometry geometry)
        {
            QueuedTask.Run(() =>
            {
                var deleteFeatures = new EditOperation();
                deleteFeatures.Name = "Delete Features";
                Polygon polygon = geometry as Polygon;

                //Delete all the selected features in the active view
                //Select using a polygon (for example)
                var selection = MapView.Active.SelectFeatures(polygon).Select(
                      k => new KeyValuePair<MapMember, List<long>>(k.Key as MapMember, k.Value));

                deleteFeatures.Delete(selection);

                //Execute to execute the operation
                //Must be called within QueuedTask.Run
                deleteFeatures.Execute();
            });
            return base.OnSketchCompleteAsync(geometry);

        }