SuperMap.WinRT.Actions.DrawPolygon.Deactivate C# (CSharp) Method

        public override void Deactivate()
        {
            _isActivated = false;
            _polygon = null;
            _points = null;
            _pointsCount = 0;
            _startPoint = Point2D.Empty;
            if (DrawLayer != null)
            {
                DrawLayer.Children.Clear();
            }
            if (Map != null && Map.Layers != null)
            {
                Map.Layers.Remove(DrawLayer);
            }
        }
        /// <summary>${ui_action_DrawPolygon_method_OnKeyDown_D}</summary>