启动和停止一个服务，修改服务的启动类型 Start and Stop Service for windows

  public void PreTest()
        {
            SetServiceLaunch(); // 修改服务的启动类型
            ServiceController sc = new ServiceController("GFIProxy");
            if ((sc.Status.Equals(ServiceControllerStatus.Stopped)) || (sc.Status.Equals(ServiceControllerStatus.StopPending)))
            {
                sc.Start(); //启动服务
            }
        }
        public void PostTest()
        {
            SetServiceLaunch();
            ServiceController sc = new ServiceController("GFIProxy");
            if ((sc.Status.Equals(ServiceControllerStatus.Running)) || (sc.Status.Equals(ServiceControllerStatus.StartPending)))
            {
                sc.Stop();
                sc.Refresh();
            }
        }

  public void SetServiceLaunch()
        {
            RegistryKey key = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Services\GFIProxy", true);
            key.SetValue("Start", 3, RegistryValueKind.DWord); // 3 is 手动启动
        }