LayoutFarm.RenderElement.SetLocation C# (CSharp) Метод

        public void SetLocation(int left, int top)
        {
            if (parentLink == null)
            {
                this.b_left = left;
                this.b_top = top;
            }
            else
            {
                //set location not affect its content size 

                var prevBounds = this.RectBounds;
                //----------------

                this.b_left = left;
                this.b_top = top;
                //----------------   
                //combine before and after rect  
                //add to invalidate root invalidate queue
                this.InvalidateGraphicBounds(Rectangle.Union(prevBounds, this.RectBounds));
            }
        }