SWFLoader交互

主应用程序：

<?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.events.FlexEvent;
			import mx.managers.SystemManager;

			private function swfReady(e:Event):void  
			{  
//				var obj:SystemManager = mySWL.content as SystemManager;  
				var obj:SystemManager = e.target.content as SystemManager; 
				obj.addEventListener(FlexEvent.APPLICATION_COMPLETE,comp);  
			}  
			private function comp(e:Event):void  
			{     
				e.target.application.haha();
			} 
		]]>
	</fx:Script>
	<s:SWFLoader id="mySWL" source="test2.swf" complete="swfReady(event)"/>
</s:Application>

<?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[
			public function haha():void
			{
				myBtn.label="已经成功调用了"
			}
		]]>
	</fx:Script>
	<s:Button id="myBtn"  label="失败！！！"/>
</s:Application>