 import mx.managers.IFocusManagerComponent;
 import mx.managers.IFocusManagerContainer;
 import mx.managers.ILayoutManagerClient;
+import mx.managers.ILayoutManagerContainerClient;
 import mx.managers.ISystemManager;
 import mx.managers.IToolTipManagerClient;
 import mx.managers.SystemManager;

     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function invalidateProperties():void
    {
        if (!invalidatePropertiesFlag)


        p.invalidateSize();
        p.invalidateDisplayList();
        
        if (estimatedSizeChanged && parent is IContainerInvalidating)
            (IContainerInvalidating(parent)).invalidateEstimatedSizesOfChildren();
    }

    /**
