C# window服务操作

        public int GetWindowsServiceStartType(String sServiceName) //判断服务状态是手动还是禁用还是自动
        {
          string   sState = "";

            try
            {
                System.Diagnostics.ProcessStartInfo objProcessInf = new System.Diagnostics.ProcessStartInfo();

                objProcessInf.FileName = "cmd.exe";

                objProcessInf.UseShellExecute = false; //是否使用系统shell启动进程

                objProcessInf.RedirectStandardError = true;//错误信息写入流
                objProcessInf.RedirectStandardInput = true;
                objProcessInf.RedirectStandardOutput = true; //应用程序的输出写入流

                objProcessInf.CreateNoWindow = true; //是否在新窗口启动该进程

                objProcessInf.Arguments = "/c sc qc " + sServiceName; //启动参数

                System.Diagnostics.Process objProcess = System.Diagnostics.Process.Start(objProcessInf); //启动进程

                String sStateValue = objProcess.StandardOutput.ReadToEnd(); //读取应用程序输出的流

                if (sStateValue.IndexOf("AUTO_START") > 0)
                {
                    sState = "AUTO_START";
                    return 2;
                }

                if (sStateValue.IndexOf("DEMAND_START") > 0)
                {
                    sState = "DEMAND_START";
                    return 3;
                }

                if (sStateValue.IndexOf("DISABLED") > 0)
                {
                    sState = "DISABLED";
                    return 4;
                }

                return 0;

            }
            catch (Exception e)
            {
                sState = e.Message;
                return -1;
            }
        }

        public Boolean SetWindowsServiceStartType(String sServiceName, int iStartType) //设置服务状态是手动，自动，还是禁用
        {
            try
            {
                System.Diagnostics.ProcessStartInfo objProcessInf = new System.Diagnostics.ProcessStartInfo();

                objProcessInf.FileName = "cmd.exe";

                objProcessInf.CreateNoWindow = false;
                objProcessInf.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;

                string sStartState = "boot";

                switch (iStartType)
                {
                    case 1:
                        {
                            sStartState = "system";
                            break;
                        }
                    case 2:
                        {
                            sStartState = "auto";
                            break;
                        }
                    case 3:
                        {
                            sStartState = "demand";
                            break;
                        }
                    case 4:
                        {
                            sStartState = "disabled";
                            break;
                        }
                    default:
                        {
                            break;
                        }
                }

                objProcessInf.Arguments = "/c sc config " + sServiceName + " start= " + sStartState;

                System.Diagnostics.Process.Start(objProcessInf);

                return true;
            }
            catch
            {
                return false;
            }
        }

 ServiceController sc = new ServiceController("Themes");
            if (sc.Status.Equals(ServiceControllerStatus.Running))
            {
                sc.Stop();
                sc.Refresh();
            }
            if ((sc.Status.Equals(ServiceControllerStatus.Stopped)) || (sc.Status.Equals(ServiceControllerStatus.StopPending)))
            {
                sc.Start();
                sc.Refresh();
            }

            bool exist = false;
            ServiceController[] Services = ServiceController.GetServices();
            for (int i = 0; i < Services.Length; i++)
            {
                if (Services[i].DisplayName.ToString() == textBox1.Text.Trim())
                    exist = true;
            }
            return exist;