      */
     mx_internal function graphicElementChanged(e:IGraphicElement):void
     {
-        // TODO!!! Optimize
         // Call super, so that we don't invalidate the layout
         super.invalidateDisplayList();
     }

     */
    mx_internal function graphicElementLayerChanged(e:IGraphicElement):void
    {
        // TODO!!! Optimize
        // TODO!!! Need to recalculate the elements
        // Call super, so that we don't invalidate the layout
        super.invalidateDisplayList();
    }

        {
            _mask = value;
            maskChanged = true;
            invalidateDisplayList();            
        }
        super.mask = value;         
    } 
