<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white"
        creationComplete="init();" viewSourceURL="srcview/index.html">

    <mx:Script>
        <![CDATA[
            import mx.events.SliderEvent;

            private function init():void {
                slider.value = progressBar.getStyle("verticalGap");
            }

            private function progressBar_change(evt:SliderEvent):void {
                progressBar.setStyle("verticalGap", evt.value);
            }
        ]]>
    </mx:Script>

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="verticalGap:">
                <mx:HSlider id="slider"
                        minimum="0"
                        maximum="20"
                        value="3"
                        liveDragging="true"
                        snapInterval="1"
                        tickInterval="1"
                        change="progressBar_change(event);" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:ProgressBar id="progressBar"
            mode="manual"
            trackColors="[red, red]"
            barColor="green"
            initialize="progressBar.setProgress(76, 100);" />

</mx:Application>