/// <summary>
/// 清除当前所有选择的
/// </summary>
public void RemoveAllSelected()
{
foreach (DragThumb thumb in SelectDragThumbs)
{
this.Children.Remove(thumb);
DragThumbs.Remove(thumb);
}
bSaved = false;
_CurSelectedDragThumb = null;
SelectDragThumbs.Clear();
ReOrderAllDragImage(); //重新排序
}
