Hi, the gap should be 0 and the padding 3 (left and right) and 5 (top and bottom) [1][2]. If you need some more details, I guess this [3] is the default item renderer.
Hope this helps, Olaf [1] Set gap=0 var dpl:DropDownList = new DropDownList(); dpl.layout = new VerticalLayout(); VerticalLayout(dpl.layout).gap = 0; VerticalLayout(dpl.layout).requestedMaxRowCount = 12; dpl.itemRenderer = new ClassFactory(CustomItemRenderer); [2] Set padding <?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}" paddingLeft="3" paddingRight="3" paddingTop="5" paddingBottom="5"/> </s:ItemRenderer> [3] https://github.com/apache/flex-sdk/blob/master/frameworks/projects/spark/src/spark/skins/spark/DefaultItemRenderer.as -- Sent from: http://apache-flex-users.2333346.n4.nabble.com/