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FLEX的checkbox复选框

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
 <mx:Script>
  <![CDATA[
  function chkbox():void
  {
   var menssage:String = "";
   if (chk1.selected == true)
   {
    menssage +=100 + "\n";
   }
    if (chk2.selected == true)
   {
    menssage +=200 + "\n";
   }
     if (chk3.selected == true)
   {
    menssage +=300 + "\n";
   }
   text1.text = menssage;
  }
   
  ]]>
 </mx:Script>
 <mx:Panel x="21" y="10" title="复选框示例" width="250" height="400" layout="absolute"><mx:VBox x="3" y="10" height="100%">
  <mx:CheckBox id="chk1" label="100" click="chkbox()"/>
  <mx:CheckBox id="chk2" label="200" click="chkbox()"/>
  <mx:CheckBox id="chk3" label="300" click="chkbox()"/>
  <mx:TextArea id="text1"/>
 </mx:VBox>
 </mx:Panel>
 
</mx:Application>


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