Using Add Event Listener

           
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical"
  creationComplete="initApp()">
  
  <mx:Script>
    
    
      private function initApp():void
      {
        myButton.addEventListener(MouseEvent.CLICK, clickHandler);
      }
    
      private function clickHandler(event:MouseEvent):void
      {
        myLabel.text="The " + event.type + " event was dispatched by " + event.target.id;
      }
  
  </mx:Script>
  
  <mx:Label id="myLabel"/>
  <mx:Label id="altLabel"/>
  <mx:Label id="ctrlLabel"/>
  <mx:Label id="shiftLabel"/>

  <mx:Button id="myButton" label="Click Me"/>
  
</mx:Application>

1.	Add Click event listener with ActionScript
2.	Remove and add event listener
3.	Register one listener function to two different buttons
4.	Custom Listener Function
5.	Use the addEventListener() method
6.	Pass individual properties to an event listener
7.	Use a separate call to addEventListener() method for each instance
8.	Event listener is contained in an ActionScript function in an tag
9.	Event listener function
10.	Reuse a single listener for multiple events
11.	Use addEventListener function to bind function to event
12.	Add a click event listener to each of the colored boxes

Using Add Event Listener : Event Listener « Event « Flex

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