Using the simple custom event

I try to get a better understanding of the events and to create my own custom events and calling dispatchevent. This is in reference to a previous post here: http://www.adobe.com/cfusion/webforums/forum/messageview.cfm?forumid=60 & catid = 585 & threadid = 1329712 & enterthread = y

Initially, I tried to get this working in the middle of a bunch of other things going on but could not get my disptachevent to trigger the listener that I had put in place. After messing around for a while, I decided to just pull this part out and try to get the basics of this work (I always have problems with). While I can find a lot of examples, listeners in action out of events predefined (such as mouse clicks) can't get a lot about what I'm trying to do. I don't know I am missing a simple property of the events and making a call wrong here but I can't understand what it is.

Quote:

<? XML version = "1.0" encoding = "utf-8"? >
"" < mx:Application xmlns:mx = ' http://www.adobe.com/2006/mxml ' layout = "absolute" initialize = "createListener ()" >

< mx:Script >
<! [CDATA]

Import mx.controls.Alert;

public function createListener (): void {}
var dataListener: EventDispatcher = new EventDispatcher();

dataListener.addEventListener ("myEvent", retrieverListener);
Alert.Show ("listener created");
}

public void retrieverListener(event:Event):void {}
Alert.Show ("event fired");
}

private function tempFunction (): void {}
dispatchEvent (new Event ("myEvent"));
}

[]] >
< / mx:Script >

< mx:Button = "108" x = "193" label = "Button" click = "tempFunction ()" / >

< / mx:Application >

Tags: Flex

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