protected override void OnDrop(DragEventArgs e) { if (DragDropTool != null) { DragDropTool.OnDrop(e); } base.OnDrop(e); }
/// <summary> /// 当拖动结束 /// </summary> /// <param name="e"></param> protected override void OnDragOver(DragEventArgs e) { if (DragDropTool != null) DragDropTool.OnDragOver(e); base.OnDragOver(e); }