override public function addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void 

{

        _listeners.push( { type:type, listener:listener } );

        super.addEventListener(type, listener, useCapture, priority, useWeakReference);

}

 

public function destroyEventListener():void

{

        var length:int = _listeners.length;

        for (var i:int = 0; i < length; i++) 

        {

                var type:String = _listeners[i].type;

                var listener:Function = _listeners[i].listener;

                this.removeEventListener(type, listener);

        }

        _listeners.length = 0;

}