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Flex Accordion headerRendererʵÏÖchildÊÕËõ

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ÓÚÊÇ×ÐϸÏëÁËÏÂ,·¢ÏÖÆäʵֻÐèÒªÖ¸¶¨headerµÄitemRenderer¼´¿É:
ÉÏ´úÂë headerRenderer="com.MyAccHeader"
MyAccHeader:
package com
{
import flash.events.MouseEvent;
import mx.controls.Alert;
import mx.containers.Accordion;
import mx.containers.accordionClasses.AccordionHeader;
public class MyAccHeader extends AccordionHeader
{
public function MyAccHeader()
{
super();
this.addEventListener(MouseEvent.CLICK,fun);
}
private function fun(evt:MouseEvent):void
{
(this.parent as Accordion).selectedIndex = (this.parent as Accordion).selectedIndex+1;
}
}
}


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package com.flexpasta.utils
{
import flash.external.ExternalInterface;
im ......

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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" creationComplete="initApp()">
 <mx:states>
  <mx:State name="index">
   <mx:RemoveChild target="{loginPanel}"/>
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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    layout="vertical"
    xmlns:mdi="ext.containers.windows.mdi.*"
    width="100%"
    height= ......
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