<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Array id="arr">
<mx:Object label="One" />
<mx:Object label="Two" />
<mx:Object label="Three" />
<mx:Object label="Four" />
</mx:Array>
<mx:ApplicationControlBar dock="true">
<mx:Form styleName="plain">
<mx:FormItem label="backgroundAlpha:">
<mx:HSlider id="slider"
minimum="0.0"
maximum="1.0"
value="1.0"
liveDragging="true" />
</mx:FormItem>
</mx:Form>
</mx:ApplicationControlBar>
<mx:LinkBar id="linkBar"
dataProvider="{arr}"
backgroundAlpha="{slider.value}"
backgroundColor="haloBlue" />
</mx:Application>
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