Event Flex



    
  
        
      import flash.events.Event;
      private var eventObj:Event;
          
      [Bindable(event="triggerBinding")]
      [NonCommittingChangeEvent("change")]
      private var s:String;
           
      private function triggerBinding():void{
        eventObj = new Event("triggerBinding");
        dispatchEvent(eventObj);
      }
  
  

      layout="horizontal">