Windows Mobile自动更新

         private static string m_CurrentPath;
        //取得作业平台     
        private static string Platform
        {
            get
            {
                return Environment.OSVersion.Platform.ToString();
            }
        }

        public static string CurrentPath
        {
            get
            {
                //RF获取当前目录      
                if (Platform.Equals("WinCE"))
                {
                    m_CurrentPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase);
                }
                //获取PC当前目录      
                else if (Platform.Equals("Win32NT"))
                {
                    m_CurrentPath = Directory.GetCurrentDirectory();
                }

                return m_CurrentPath;
            }
        }

校验有样版本：

        /// <summary>
        /// 检测版本与获取版本信息
        /// </summary>
        /// <returns></returns>
        public bool HasNewVersion()
        {
            bool hasNewVersion = false;
            if (badnetwork == false)
            {
                if (IsUpdateEnabled && DateTime.Compare(DateTime.ParseExact(RemoteDate, "yyyyMMddHHmm", null), DateTime.ParseExact(LocalDate, "yyyyMMddHHmm", null)) > 0)
                {
                    hasNewVersion = true;
                }
            }
            return hasNewVersion;
        }

       /// <summary>
        ///  计算文件hash值
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public static string ChecksumSha1(string path)
        {
            byte[] hash = null;

            using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
            {
                SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
                hash = sha1.ComputeHash(fs);

                fs.Close();
            }

            return Convert.ToBase64String(hash);
        }

https://msdn.microsoft.com/en-us/library/aa446487.aspx