## mark a section (Learn more)

<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:Script> <![CDATA[ private function labelFunction(item:Object):String { return "Changed"; } ]]> </mx:Script> <mx:ArrayCollection id="flat" source="{['one','two','three']}"/> <mx:ArrayCollection id="fields" source="{[{label:'one'},{label:'two'},{label:'three'}]}"/> <mx:HBox> <mx:List labelFunction="labelFunction" dataProvider="{fields}"/> <mx:ButtonBar labelFunction="labelFunction" dataProvider="{fields}" direction="vertical"/> <mx:Spacer width="50"/> <mx:List labelFunction="labelFunction" dataProvider="{flat}"/> <mx:ButtonBar labelFunction="labelFunction" dataProvider="{flat}" direction="vertical"/> </mx:HBox> </mx:Application>

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