FLEX 事件机制-自定义事件介绍_Flex_

package
{
import flash.events.Event;

public class MyEvent extends Event
{
public static const myEvent:String="myEvent";

public var data:*;

public function MyEvent(type:String,bubbles:Boolean=false,cancellabel:Boolean=false,data:* = null)
{
super(type,false,false);
this.data = data;
}

override public function clone():Event{
return new MyEvent(myEvent,false,false,data);
}

override public function toString():String{

return formatToString("MyEvent");
}
}
}

xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" width="100%" height="100%" initialize="init()">





import mx.controls.Alert;
import mx.events.FlexEvent;
public var ff:FlexMyEvent;

public function init():void{

ff = this.parentDocument as FlexMyEvent;
ff.addEventListener(MyEvent.myEvent,myEventHandler);//监听事件

}
public function myEventHandler(eve:Object):void{

inpu.text = eve.data;
Alert.show("事件触发，"+eve.data);
}

]]>

xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:comp = "*"
width="100%" height="100%">



import flash.external.ExternalInterface;
import flash.system.Security;

import mx.controls.Alert;
import mx.events.FlexEvent;
public var callBackInfo:String = "";
public function doSend():void{

callBackInfo = input.text;
var myEve:MyEvent = new MyEvent(MyEvent.myEvent,false,false,callBackInfo);//派发事件 myEve.data is Object;
this.dispatchEvent(myEve);

}

]]>