flex 拖拽使用1

<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" width="100%" height="100%>

         <mx:Script>
  <![CDATA[
   import mx.events.DragEvent; 

   import mx.rpc.events.FaultEvent;
   import mx.rpc.events.ResultEvent;
   import mx.controls.Alert;
   import mx.collections.ArrayCollection;

[Bindable]private var _userMenuArray:ArrayCollection = new ArrayCollection();

[Bindable]private var _allMenuArray:ArrayCollection = new ArrayCollection();

  private function faultResult(event:FaultEvent):void
   {
    Alert.show(WorkFlowConst.WRONG_MESSAGE,"提示");
   }

   ]]>
 </mx:Script>     

</mx:VBox>