         invalidateTransform();
     }
 
-    private function isOnDisplayList():Boolean
-    {
-        var p:DisplayObjectContainer;
-
-        try
-        {
-            p = _parent ? _parent : super.parent;
-        }
-        catch (e:SecurityError)
-        {
-            // trace("UIComponent.isOnDisplayList(): " + e);
-            return true;        // we are on the display list but the parent is in another sandbox
-        }
-
-        return p ? true : false;
-    }
 
     /**
      *  Flex calls the <code>stylesInitialized()</code> method when

        if (!p)
        {
            _parent = null;
            _nestLevel = 0;
        }
        else if (p is IStyleClient)
        {

        {
            invalidatePropertiesFlag = true;

            if (nestLevel && UIComponentGlobals.layoutManager)
                UIComponentGlobals.layoutManager.invalidateProperties(this);
        }
    }
