/// <summary>

        /// 修改程序在注册表中的键值

        /// </summary>

        /// <param name="isAuto">true:开机启动,false:不开机自启</param>

        private void AutoStart(bool isAuto = true, bool showinfo = true)

        {

            try

            {

                if (isAuto == true)

                {

                    RegistryKey R_local = Registry.CurrentUser;//RegistryKey R_local = Registry.CurrentUser;

                    RegistryKey R_run = R_local.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");

                    R_run.SetValue("应用名称", Application.ExecutablePath);

                    R_run.Close();

                    R_local.Close();

                }

                else

                {

                    RegistryKey R_local = Registry.CurrentUser;//RegistryKey R_local = Registry.CurrentUser;

                    RegistryKey R_run = R_local.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");

                    R_run.DeleteValue("应用名称", false);

                    R_run.Close();

                    R_local.Close();

                }

            }

            catch (Exception)

            {

                if (showinfo)

                    MessageBox.Show("您需要管理员权限修改", "提示");

            }

        }

// 添加到 当前登陆用户的 注册表启动项

RegistryKey RKey = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");

RKey.SetValue("AppName", @"C:\AppName.exe");

// 添加到 所有用户的 注册表启动项

RegistryKey RKey = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");

RKey.SetValue("AppName", @"C:\AppName.exe");