如何使用Flex HDividedBox(就是拖动效果调节左右)

<?xml version="1.0"?>  <!-- Simple example to demonstrate the HDividedBox layout -->  <!--      如何使用Flex HDividedBox      MyShareBook.cn 翻译  -->  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">        <mx:Panel title="HDividedBox Container Example" width="90%" height="90%"           paddingTop="10" paddingLeft="10" paddingRight="10" paddingBottom="10">            <mx:Text width="100%" color="blue"              text="Drag the divider side to side to resize the children."/>            <mx:HDividedBox width="100%" height="100%">                <mx:Canvas label="Canvas 1" width="100%" height="100%" backgroundColor="#FFFFCC">                  <mx:Label text="Add components here" fontWeight="bold"/>              </mx:Canvas>                <mx:Canvas label="Canvas 2" width="100%" height="100%" backgroundColor="#99CCFF">                  <mx:Label text="Add components here" fontWeight="bold"/>              </mx:Canvas>            </mx:HDividedBox>        </mx:Panel>  </mx:Application>

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