buttonexample.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" layout="absolute" creationComplete="initApp()">
<mx:Style>
	Application{
		fontSize:12;	
		backgroundGradientColors: #c0c0c0, #c0c0c0
	}
</mx:Style>
<mx:Script>
	<![CDATA[
		import mx.core.MovieClipAsset;
		[Embed(source="expand.gif")]
		[Bindable] 
   		public var myIcon:Class;


		import flash.events.MouseEvent;
		
		internal function initApp():void{
			btn.addEventListener(MouseEvent.CLICK,doClick);
		}
		internal function doClick(evt:MouseEvent):void{
			btn.enabled = false;
			label_tip.text = "鎴戞槸鐐瑰嚮鍚庣殑鏍囩