Mega Code Archive
 
 
    
Define a handler function, register it for click event of the Button control
    
    import mx.controls.Alert;
    
    private function createListener():void {
        b1.addEventListener(MouseEvent.CLICK, myClickHandler, false, 0);
    }
    private function myClickHandler(e:MouseEvent):void {
        Alert.show("The button was clicked");
    }