flash alert

  import mx.controls.Alert;   

protected function button3_clickHandler(event:MouseEvent):void
   {
    Alert.yesLabel = "哟系yes";
    Alert.noLabel = "呀灭no";
    Alert.cancelLabel = "哦cancel";
    var myAlert:Alert = Alert.show("选择操作...","提示",1|2,this,handler);
   }