我想在本地文件夹中的Metro应用程序中写入用户选择的设置。我已经完成了下面的代码，但它不起作用。保存设置的代码:voidOnUnloaded(objectsender,RoutedEventArgsargs){//codetosaveappsettings.varlocalSettings=ApplicationData.Current.LocalSettings;localSettings.Values["playerPosition"]=playerPosition;localSettings.Values["aiPosition"]=aiPosition;localSettin