<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/22/setting-the-padding-between-children-in-a-dividedbox-in-flex/ -->
<mx:Application name="HDividedBox_horizontalGap_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="horizontalGap:"
                    direction="horizontal">
                <mx:HSlider id="slider"
                        minimum="6"
                        maximum="20"
                        value="10"
                        snapInterval="1"
                        tickInterval="1"
                        liveDragging="true" />
                <mx:Label text="{slider.value}" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:HDividedBox id="dividedBox"
            horizontalGap="{slider.value}"
            width="100%"
            height="100%">
        <mx:Box id="box1"
                backgroundColor="haloGreen"
                width="100%"
                height="100%"
                minWidth="100" />
        <mx:Box id="box2"
                backgroundColor="haloBlue"
                width="100%"
                height="100%"
                minWidth="100" />    
    </mx:HDividedBox>

</mx:Application>