c# 注册表操作

#region 注册表操作
        /// <summary>
        /// 读注册表
        /// </summary>
        /// <param name="path">注册表目录</param>
        /// <param name="paramName">名称</param>
        /// <returns></returns>
         public static string Reg_read(string path, string paramName)
        {
            string value = string.Empty;
            RegistryKey root = Registry.LocalMachine;
            RegistryKey rk = root.OpenSubKey(path);
            if (rk != null)
            {
                value = (string)rk.GetValue(paramName, null);
            }
            return value;
        }
        /// <summary>
        /// 注册表写入值
        /// </summary>
        /// <param name="path">注册表目录</param>
        /// <param name="paramName">名称</param>
        /// <param name="value">写入值</param>
         public static void Reg_write(string path, string paramName, string value)
        {
            RegistryKey rsg = null;                            //声明一个变量
            Registry.LocalMachine.CreateSubKey(path);
            rsg = Registry.LocalMachine.OpenSubKey(path, true);    //true表可以修改
            rsg.SetValue(paramName, value);       //写入
            rsg.Close();
        }
        #endregion