         if (!g)
             return;
 
-        g.invalidateEstimatedSizesOfChildren();
         g.invalidateSize();
         g.invalidateDisplayList();
     }


        // If actual values have chnaged, notify listeners
        dispatchEventsForActualValueChanges();

    }

    /**

                i = visibleEndIndex;
                continue;
            } 
            var el:ILayoutElement = layoutTarget.getVirtualElementAt(i);
            if (!el)
                continue;
            el.setLayoutBoundsSize(0, 0);
            if (el is IVisualElement)
                IVisualElement(el).visible = false; 
