<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/01/07/adding-icons-to-the-flex-buttonbar-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Script>
        <![CDATA[
            [Bindable]
            [Embed("assets/Button.png")]
            private var buttonIcon:Class;

            [Bindable]
            [Embed("assets/ButtonBar.png")]
            private var buttonBarIcon:Class;

            [Bindable]
            [Embed("assets/CheckBox.png")]
            private var checkBoxIcon:Class;

            [Bindable]
            [Embed("assets/ColorPicker.png")]
            private var colorPickerIcon:Class;
        ]]>
    </mx:Script>

    <mx:Array id="arr">
        <mx:Object label="Button" icon="{buttonIcon}" />
        <mx:Object label="ButtonBar" icon="{buttonBarIcon}" />
        <mx:Object label="CheckBox" icon="{checkBoxIcon}" />
        <mx:Object label="ColorPicker" icon="{colorPickerIcon}" />
    </mx:Array>

    <!-- The data provider has an "icon" property. -->
    <mx:ButtonBar id="buttonBar1"
            dataProvider="{arr}"
            height="32" />

</mx:Application>