<?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"> <fx:Script> <![CDATA[ import mx.controls.Alert; public function showMsg(msg:String):void { Alert.show('你正在点击'+msg); } ]]> </fx:Script> <mx:PopUpMenuButton id="menuBtn" dataProvider="{['One','Two','Three']}" click="showMsg('left side')" itemClick="showMsg('right side with'+event.label)"/> </s:Application>
PopUpMenuButton