frameworks/projects/sparkskins/src/mx/skins/spark/ProgressBarSkin.mxml

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

  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
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      http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
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<!--- The Spark skin class for the MX ProgressBar component. 

      @see mx.controls.ProgressBar
        
      @langversion 3.0
      @playerversion Flash 10
      @playerversion AIR 1.5
      @productversion Flex 4
-->
<s:SparkSkin xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" >

    <fx:Script>
        /**
         * @private
         */
        override protected function initializationComplete():void
        {
            useChromeColor = true;
            super.initializationComplete();
        }
    </fx:Script>
    
    <!-- layer 1: fill -->
    <s:Rect left="2" right="2" top="2" bottom="2" >
        <s:fill>
            <s:LinearGradient rotation="90">
                <s:GradientEntry color="0xFFFFFF" 
                               alpha="1" />
                <s:GradientEntry color="0xD8D8D8" 
                               alpha="1" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- layer 2: border -->
    <s:Rect left="2" right="2" top="2" bottom="2" >
        <s:stroke>
            <s:LinearGradientStroke rotation="90">
                <s:GradientEntry color="0xFFFFFF" 
                               alpha=".9" />
                <s:GradientEntry color="0xFFFFFF" 
                               alpha="0.5" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>
    
    <!-- layer 3: right edge -->
    <s:Rect right="1" top="2" bottom="2" width="1" >
        <s:fill>
            <s:SolidColor color="0x000000" alpha="0.55" />
        </s:fill>
    </s:Rect>
    
</s:SparkSkin>