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Get selected item label from a list

<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">          <mx:Script>                      import mx.controls.List;             import mx.controls.Alert;                          private function handleChangeEvent(event:Event):void             {                 Alert.show("selected: " + List(event.currentTarget).selectedItem.label);             }                         </mx:Script>          <mx:List change="handleChangeEvent(event)">         <mx:dataProvider>             <mx:Array>                 <mx:Object label="A" />                 <mx:Object label="B" />                 <mx:Object label="C" />             </mx:Array>         </mx:dataProvider>     </mx:List> </mx:Application>