internal void OnDragEnd(ActionButton btnTar)
    {
        CInputSystem.Instance.InputCapture = InputCapture.ICS_NONE;
        CursorMng.Instance.LeaveUICursor();
        CursorMng.Instance.SetCursor(ENUM_CURSOR_TYPE.CURSOR_NORMAL);

        if (IsDragging())
        {
            // 跳过拖拽到自己身上 [4/12/2012 Ivan]
            if (btnTar != actionStarter)
            {
                bool beDestroy = btnTar == null;

                if (actionStarter.CurrActionItem != null)
                {
                    actionStarter.CurrActionItem.NotifyDragDropDragged(beDestroy,
                                                                       !beDestroy ? btnTar.Name() : "",
                                                                       actionStarter.Name());
                }
            }
        }

        actionStarter = null;
    }