private void mainMapControl_OnAfterDraw(object sender, IMapControlEvents2_OnAfterDrawEvent e)
 {
     //图层数为空或者所有图层均为空图层时停止编辑
     if (this.mainMapControl.LayerCount == 0)
     {
         StopEditCommand cmd = new StopEditCommand();
         cmd.Execute(null);
     }
 }
        public void StopEdit()
        {
            StopEditCommand cmd = new StopEditCommand();

            cmd.Execute(null);
        }