 import flash.utils.setInterval;
 
 import mx.core.FlexGlobals;
+import mx.core.FlexVersion;
 import mx.core.IInvalidating;
 import mx.core.InteractionMode;
 import mx.core.Singleton;

        {
            invalidateProperties();
            invalidateSize();
        }

        setActualSize(w, h);

            return;
        }

        super.invalidateParentSizeAndDisplayList(estimatedSizesChanged);
    }

    /**
