public void init_gamesetting()
 {
     ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.FullScreen;    //启动设置全屏
     APPDATA.app_data = new APPDATA();
     APPDATA.LOAD();
     APPDATA.app_data.BACKBUTTON = this.BackButton;
     APPDATA.app_data.MAINGRID   = backG;
     APPDATA.app_data.Chapters   = Chapter.getChapters();
     APPDATA.app_data.setAchievement();
 }
 /// <summary>
 /// 在程序关闭时保存一些内容
 /// </summary>
 async void App_Suspending(Object sender, Windows.ApplicationModel.SuspendingEventArgs e)
 {
     // TODO: This is the time to save app data in case the process is terminated
     APPDATA.SAVE();
 }