ApplicationLifetimeSample.Services.DataManager.SaveTempSessionAsync C# (CSharp) Метод

        public async Task SaveTempSessionAsync()
        {
            StorageFile file = await ApplicationData.Current.LocalCacheFolder.CreateFileAsync(SessionStateFile, CreationCollisionOption.ReplaceExisting);
            Stream stream = await file.OpenStreamForWriteAsync();

            var serializer = new JsonSerializer();
            using (var writer = new StreamWriter(stream))
            {
                serializer.Serialize(writer, _state);
            }
        }