<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"

layout="vertical"

verticalAlign="top"

backgroundColor="white">



<mx:Script>

<![CDATA[

import mx.controls.Alert;

import mx.controls.buttonBarClasses.ButtonBarButton;

import mx.events.ItemClickEvent;

import mx.utils.ObjectUtil;



private function buttonBar_itemClick(evt:ItemClickEvent):void {

var message:String = ObjectUtil.toString(evt.item);

var title:String = "[" + evt.index + "] " + evt.label;

Alert.show("item: " + message, title);

}

]]>

</mx:Script>

<mx:Array id="arr">

<mx:Object label="One" data="15" />

<mx:Object label="Two" data="12" custom="seven" />

<mx:Object label="Three" data="9" />

<mx:Object label="Four" custom="eleven" />

<mx:Object label="Five" name="Peter" />

</mx:Array>

<mx:ButtonBar id="buttonBar"

dataProvider="{arr}"

itemClick="buttonBar_itemClick(event);" />

</mx:Application>