<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" verticalAlign="middle" backgroundColor="white" initialize="init()"> <mx:Script> <![CDATA[ import mx.controls.Alert; import mx.events.CloseEvent; private function init():void { Ind.addEventListener(Event.CHANGE,Ind_changeHandler); } protected function Ind_changeHandler(event:Event):void { Alert.show("Ind"); } ]]> </mx:Script> <mx:RadioButton x="337" y="42" groupName="showModel" label="Individual" id="Ind" selected="true"/> </mx:Application>