Flex 主窗体给弹出窗体传值

主窗口：     
 var Win:WinUpload = new WinUpload();
       Win.RName=RecSongName;//参数1
       Win.UserMobile=this.UserMobile;//参数2
       Win.array=this.lbarray;//参数3
       PopUpManager.addPopUp(Win,this,true);
       this.btn_upload.enabled=true;
       PopUpManager.centerPopUp(Win);

弹出窗口：
  public var UserMobile:String="";//参数1
  public var RName : String = ""; //参数2
  public var array:Array=null;//参数3