<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/06/creating-a-toggleable-linkbutton-control-in-flex/ -->
<mx:Application name="LinkButton_toggle_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            import skins.ToggleLinkButtonSkin;

            private function init():void {
                linkButton.setStyle("skin", ToggleLinkButtonSkin);
            }
        ]]>
    </mx:Script>

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="toggle:">
                <mx:CheckBox id="toggleCheckBox" />
            </mx:FormItem>
            <mx:FormItem label="selected:">
                <mx:CheckBox id="selectedCheckBox"
                        selected="{linkButton.selected}" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:LinkButton id="linkButton"
            label="LinkButton"
            toggle="{toggleCheckBox.selected}"
            selected="{selectedCheckBox.selected}"
            initialize="init();" />

</mx:Application>