popupbuttonexample.mxml

《Flex第一步:基于ActionScript 3.0的Flex 2应用开发》采用概念讲解与实例结合的方式

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="initApp()" layout="absolute">
	<mx:Style>
		Application{
			fontSize:12;
			backgroundGradientColors: #c0c0c0, #c0c0c0;
		}
	</mx:Style>
	<mx:Script>
		<![CDATA[
			import mx.containers.Panel;		
			import mx.controls.Alert;	
			import mx.events.DropdownEvent;

			private var panel:Panel;

			private function initApp():void {
				panel = new Panel();  //澹版槑鏂扮殑Panel
				panel.title = "panel";
				panel.width = 200;
				panel.height = 200;
				popBtn.popUp = panel;			//鎸囧畾popUp鐩