VBox, HBox的渐变背景

VBox, HBox的渐变背景

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml " layout="absolute">
<mx:Style>
         .testeGradiente{
             fillColors: #444444, #ff0000;
             fillAlphas: 0.1,1;
         }
</mx:Style>
    <mx:VBox styleName="testeGradiente" borderStyle="applicationControlBar" x="101" y="46" width="174" height="170">
    </mx:VBox>
</mx:Application>