Hi Fred, try to specify a custom ItemRenderer[1] which sets the width e.g. to "100%" and pass it to your DDL [2].
Hope this helps, Olaf [1] CustomItemRenderer <?xml version="1.0" encoding="utf-8"?> <s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" autoDrawBackground="true" width="100%" > <s:Label text="{data}"/> </s:ItemRenderer> [2] dpl.itemRenderer = new ClassFactory(CustomItemRenderer); -- Sent from: http://apache-flex-users.2333346.n4.nabble.com/