C#程序开机运行

#region 系统启动项
        /// <summary>
        /// 获取启动项值
        /// </summary>
        /// <param name="name">启动项名称</param>
        /// <returns></returns>
        public static string GetRunItemValue(string name)
        {
            RegistryKey loca = Registry.LocalMachine;
            RegistryKey run = loca.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
            string strAutoRun = run.GetValue("QWU8_MESI_AutoRun").ToStr();
            loca.Close();
            return strAutoRun;
        }
        /// <summary>
        /// 添加系统启动项
        /// </summary>
        /// <param name="name">启动项名称</param>
        /// <returns>返回失败信息</returns>
        public static string AddRunItem(string name)
        {
            return AddRunItem(name, Application.ExecutablePath);
        }
        /// <summary>
        /// 添加系统启动项
        /// </summary>
        /// <param name="name">启动项名称</param>
        /// <param name="path">启动项全路径</param>
        /// <returns>返回失败信息</returns>
        public static string AddRunItem(string name, string path)
        {
            string errorMsg = string.Empty;
            //class Micosoft.Win32.RegistryKey. 表示Window注册表中项级节点,此类是注册表装.
            RegistryKey loca = Registry.LocalMachine;
            RegistryKey run = loca.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
            try
            {
                if (GetRunItemValue(name).Length > )
                    run.DeleteValue(name);
                run.SetValue(name, path);
                run.Close();
                loca.Close();
            }
            catch (Exception ex)
            {
                errorMsg = ex.Message;
                run.Close();
                loca.Close();
            }
            finally
            {

            }
            return errorMsg;
        }
        /// <summary>
        /// 删除系统启动项
        /// </summary>
        /// <param name="name">启动项名称</param>
        /// <returns>返回失败信息</returns>
        public static string DeleteRunItem(string name)
        {
            string errorMsg = string.Empty;
            RegistryKey loca = Registry.LocalMachine;
            //class Micosoft.Win32.RegistryKey. 表示Window注册表中项级节点,此类是注册表装.
            RegistryKey run = loca.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
            try
            {
                if (GetRunItemValue(name).Length >)
                    run.DeleteValue(name);
                run.Close();
                loca.Close();
            }
            catch (Exception ex)
            {
                errorMsg = ex.Message;
                run.Close();
                loca.Close();
            }
            return errorMsg;
        }
        #endregion