[WPF] IsolatedStorageManager

 public static class IsolatedStorageManager
    {
        public static void Save(string text)
        {
            IsolatedStorageFile isolatedStorage = IsolatedStorageFile.GetUserStoreForAssembly();
            StreamWriter srWriter = new StreamWriter(new IsolatedStorageFileStream("path", FileMode.Create, isolatedStorage));
            srWriter.WriteLine(text);
            srWriter.Flush();
            srWriter.Close();
        }
        public static string Load()
        {
            IsolatedStorageFile isolatedStorage = IsolatedStorageFile.GetUserStoreForAssembly();
            StreamReader srReader = new StreamReader(new IsolatedStorageFileStream("path", FileMode.OpenOrCreate, isolatedStorage));
            if (srReader != null)
            {
                while (!srReader.EndOfStream)
                {
                    string item = srReader.ReadLine();
                    srReader.Close();
                    return item;
                }
            }
            srReader.Close();
            return @"C:\movie";
        }
    }