public class MyFirstEvent extends Event {

        public static const ITS_HAPPENED:String = "atata";

 

        public function MyFirstEvent (type:String):void

        {

                super(type, false, true);

        }

 

        public override function toString():String

        {

                return formatToString("MyFirstEvent");

        }

 

        public override function preventDefault():void

        {

                stopImmediatePropagation();

        }

}

 

public class MySecondryEvent extends Event {

        public static const ACTION:String = "action";

 

        public function MySecondryEvent (type:String):void

        {

                super(type);

        }

}

 

public class MyTestObject extends MovieClip {

        public function MyTestObject()

        {

                addEventListener(MySecondryEvent.ACTION, actionFunction, false, 0);

        }

 

        private function actionFunction(e:MySecondryEvent):void

        {

                trace('its, happened');

        }

}

 

 

var o:MyTestObject = new MyTestObject();

o.addEventListener(MyFirstEvent.ITS_HAPPENED, handlerFunction, false, 1);

 

function handlerFunction(e:MyFirstEvent):void

{

trace('MyFirstEvent run');

e.preventDefault();

}

 

dispatchEvent(new MyFirstEvent(MyFirstEvent.ITS_HAPPENED));

dispatchEvent(new MySecondryEvent(MySecondryEvent.ACTION));

// MyFirstEvent run

// its, happened