FlexとAS 3 SWFが相互作用する（Locaconnectionは不要）

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Script>
<![CDATA[ 
//    application    swf
private function onSwfLoaded(event:Event):void{
Object(myloader.content).setApp(this);
}

//   swf     
public function appshowtext(str:String):void{
textinput.text=str;
}

]]>
</mx:Script>
<mx:SWFLoader id="myloader" source="local.swf" creationComplete="onSwfLoaded(event)"/>
<mx:TextInput id="textinput"/>
<mx:Button label="send to local.swf" click="Object(myloader.content).swfshowtext(textinput.text);"/>
</mx:Application>

//  Flash CS3         

var app:Object;
display_txt.autoSize=TextFieldAutoSize.LEFT;

function swfshowtext(str:String):void{
display_txt.text=str;
}

function setApp(ap:Object):void{
this.app=ap;
}

mybtn.addEventListener(MouseEvent.CLICK,onClick);

function onClick(event:MouseEvent):void{
app.appshowtext(display_txt.text);
}