removeEventListener not working

[rayl45510686]

I'm having trouble removing event listeners from movie clips.  As a test I put two MCs on stage: keyB and remover.

I want to pass  a parameter to the keyB event listener function.  This works fine.  But when I try to remove the listener it doesn't work.

keyB.addEventListener(MouseEvent.CLICK, function (evt:MouseEvent):void {keyHandler(evt,"b")});

remover.addEventListener(MouseEvent.CLICK, removeHandler);

function keyHandler(evt:MouseEvent, char:String):void {

trace(char);

}

function removeHandler(evt:MouseEvent):void {

keyB.removeEventListener(MouseEvent.CLICK, function (evt:MouseEvent):void {keyHandler(evt,"b")});

keyB.alpha=.5

}

[rayl45510686 · Accepted solution]

Found the solution here:

http://stackoverflow.com/questions/13486230/to-pass-a-parameter-to-event-listener-in-as3-the-simple-...

//you can pass parameter to the function this way:

stage.addEventListener(MouseEvent.CLICK, onClick(true, 123, 4.56, "string"));

function onClick(b:Boolean, i:int, n:Number, s:String):Function {

  return function(e:MouseEvent):void {

    trace("Received " + b + ", " + i + ", " + n + " and " + s + ".");

  };

}

//But to be able to remove the listener you store the function in a variable that is a function = the function call in the listener.

//then call that function in the listener.

var functionOnClick:Function = onClick(true, 123, 4.56, "string");

stage.addEventListener(MouseEvent.CLICK, functionOnClick);

function onClick(b:Boolean, i:int, n:Number, s:String):Function {

  return function(e:MouseEvent):void {

    trace("Received " + b + ", " + i + ", " + n + " and " + s + ".");

  };

}

trace("Before: " + stage.hasEventListener(MouseEvent.CLICK));

stage.removeEventListener(MouseEvent.CLICK, functionOnClick);

trace("After: " + stage.hasEventListener(MouseEvent.CLICK));