设置dropDownList没有水平、垂直滚动条
<?xml version="1.0" encoding="utf-8"?><!-- http://blog.flexexamples.com/2010/02/06/setting-the-horizontal-scroll-policy-on-a-spark-dropdownlist-control-in-flex-4/ --><s:Application name="Spark_DropDownList_scroller_horizontalScrollPolicy_test" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"> <fx:Script> <![CDATA[ import mx.core.ScrollPolicy; ]]> </fx:Script> <s:DropDownList id="ddl" width="100" horizontalCenter="0" top="20" open="ddl.scroller.setStyle('horizontalScrollPolicy', ScrollPolicy.OFF);"> <s:dataProvider> <s:ArrayList source="[Accordion,ApplicationControlBar,Alert,Box,Button,ButtonBar,Canvas,ColorPicker]" /> </s:dataProvider> </s:DropDownList> </s:Application>