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  • 自定义事件类的方法——实现接口

    ================Main文档类================
    
    package {
    	import flash.display.Sprite;
    	public class Main extends Sprite {
    		public function Main():void {
    			var a:MyEventObject=new MyEventObject();
    			a.addEventListener(MouseEvent.CLICK,an);
    			function an(evt:MouseEvent) {
    				//代码行,此处省略
    			}
    		}
    	}
    }
    
    ================MyEventObject发送事件类================
    
    package {
    	import flash.events.Event;
    	import flash.events.EventDispatcher;
    	import flash.events.IEventDispatcher;
    	public class MyEventObject extends IEventDispatcher {
    		private var abc:EventDispatcher;
    		public function MyEventObject():void {
    			abc=new EventDispatcher(this);//复合EventDispatcher类
    		}
    		//重写IEventDispatcher接口的5个方法,这里只列举2个
    		public function addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void {
    			abc.addEventListener(type, listener, useCapture, priority, useWeakReference);
    		}
    		public function dispatchEvent(evt:Event):void {
    			return abc.dispatchEvent(evt);
    		}
    	}
    }
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  • 原文地址:https://www.cnblogs.com/leon3286/p/1704423.html
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