改变LinkBar组件分隔符的宽度.

separatorWidth属性.
示例：

代码：

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/05/01/setting-the-separator-width-on-a-linkbar-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Array id="arr">
        <mx:Object label="Alert" />
        <mx:Object label="Button" />
        <mx:Object label="ButtonBar" />
        <mx:Object label="CheckBox" />
        <mx:Object label="ColorPicker" />
        <mx:Object label="ComboBox" />
    </mx:Array>

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="separatorWidth:">
                <mx:HSlider id="slider"
                        minimum="0"
                        maximum="10"
                        value="1"
                        liveDragging="true"
                        snapInterval="1"
                        tickInterval="1" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:LinkBar id="linkBar"
            dataProvider="{arr}"
            separatorWidth="{slider.value}" />

</mx:Application>