What's X

   1:  import flash.events.MouseEvent;

   2:  import flash.net.URLRequest;

   3:  import flash.net.navigateToURL;

   4:  import fl.controls.Button;

   5:   

   6:  function CreateAButton(event:MouseEvent):void

   7:  {

   8:      //宣告Button實體myButton，並定義myButton的屬性

   9:      var myButton:Button = new Button();

  10:      myButton.width = 100;

  11:      myButton.height = 20;

  12:      myButton.x = Math.random() * 400;

  13:      myButton.y = Math.random() * 400;

  14:      myButton.label = "hit Me";

  15:      myButton.addEventListener(MouseEvent.CLICK,CreateAButton);

  16:      this.addChild(myButton);

  17:   

  18:  }

  19:  //為畫面上的button加入事件傾聽者：滑鼠點擊時，呼叫-方法CreateAButton

  20:  btnNewButton.addEventListener(MouseEvent.CLICK,CreateAButton);