#region 内存映射        /// 
        /// 内存映射        /// 
        static void MappingMemory()        {            using (var mmFile = MemoryMappedFile.CreateFromFile("d:mappingmemory.txt", FileMode.Create, "fileHandle", 1024 * 1024))            {                string valueToWrite = "Written to the mapped-memory file on " + DateTime.Now.ToString();                var myAccessor = mmFile.CreateViewAccessor();                myAccessor.WriteArray
     
      (0, Encoding.ASCII.GetBytes(valueToWrite), 0, valueToWrite.Length);                var readOut = new byte[valueToWrite.Length];                myAccessor.ReadArray
      
       (0, readOut, 0, readOut.Length);                Console.WriteLine("The data is:" + Encoding.ASCII.GetString(readOut));                Console.ReadKey();            }        }        #endregion        #region 独立存贮器（用于数据处理）         static void UserIsolationFile()        {               IsolatedStorageFile storFile = IsolatedStorageFile.GetUserStoreForDomain();            IsolatedStorageFileStream storStream = new IsolatedStorageFileStream("storagefile.txt", FileMode.Create, FileAccess.Write);            StreamWriter writer = new StreamWriter(storStream);            writer.WriteLine("You are dead!");            writer.Flush();            writer.Close();            storStream.Close();            storFile.Close();            IsolatedStorageFile storFile2 = IsolatedStorageFile.GetUserStoreForDomain();            string[] filenames = storFile2.GetFileNames();            foreach (string filename in filenames)            {                if (filename != "storagefile.txt")                {                    continue;                }                using (IsolatedStorageFileStream stream = new            IsolatedStorageFileStream("storagefile.txt", FileMode.Open))                {                    using (StreamReader reader = new StreamReader(stream))                    {                        Console.WriteLine(reader.ReadToEnd());                    }                }            }            Console.ReadKey();        }        #endregion