public class Ev extends EventDispatcher {

 

   public var CUSTOM:String = 'cust';

   public function Ev() {

 

  this.dispatchEvent(new Event(Ev.CUSTOM));

  }

}

import EvEvents;

 

public class Ev extends EventDispatcher {

 

 

   public function Ev() {

 

  this.dispatchEvent(new EvEvents(EvEvents.CUSTOM));

  }

}

dispatchEvent(new Event("custom"))

CUSTOM = 'custom'

 

dispatchEvent(new Event("custom"))  ===  dispatchEvent(new Event(CUSTOM));

public class Main extends Sprite 

        {

                static public const CUSTOM:String = "custom";

 

                public function Main():void 

                {

                        addEventListener(Main.CUSTOM, cc);

                        dispatchEvent(new Event(Main.CUSTOM))

 

                }

        }