/// <summary>
/// 创建一个新命令，则触发
/// </summary>
/// <param name="sender"></param>
/// <param name="action"></param>
void DrawingControl_ActionEstablish(object sender, IAction action)
{
if (ActionEstablish != null)
{
ActionEstablish(sender, action);
}
DrawingControl.UnPick();
}
