Install a .NET windows service without InstallUtil.exe

string[] args;
ManagedInstallerClass.InstallHelper(args);

IntegratedServiceInstaller Inst = new IntegratedServiceInstaller();
  Inst.Install("MySvc", "My Sample Service", "Service that executes something",
                    _InstanceID,
// System.ServiceProcess.ServiceAccount.LocalService,      // this is more secure, but only available in XP and above and WS-2003 and above
  System.ServiceProcess.ServiceAccount.LocalSystem,       // this is required for WS-2000
  System.ServiceProcess.ServiceStartMode.Automatic);
  if (controller == null)
  {
    controller = new System.ServiceProcess.ServiceController(String.Format("MySvc_{0}", _InstanceID), ".");
                }
                if (controller.Status == System.ServiceProcess.ServiceControllerStatus.Running)
                {
                    Start_Stop.Text = "Stop Service";
                    Start_Stop_Debugging.Enabled = false;
                }
                else
                {
                    Start_Stop.Text = "Start Service";
                    Start_Stop_Debugging.Enabled = true;
                }

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using Microsoft.Win32;

namespace MySvc
{
    class IntegratedServiceInstaller
    {
    	public void Install(String ServiceName, String DisplayName, String Description,
            String InstanceID,
    		System.ServiceProcess.ServiceAccount Account,
    		System.ServiceProcess.ServiceStartMode StartMode)
    	{
    		//http://www.theblacksparrow.com/
    		System.ServiceProcess.ServiceProcessInstaller ProcessInstaller = new System.ServiceProcess.ServiceProcessInstaller();
    		ProcessInstaller.Account = Account;

    		System.ServiceProcess.ServiceInstaller SINST = new System.ServiceProcess.ServiceInstaller();

            System.Configuration.Install.InstallContext Context = new System.Configuration.Install.InstallContext();
    		string processPath = Process.GetCurrentProcess().MainModule.FileName;
    		if (processPath != null && processPath.Length > 0)
    		{
                System.IO.FileInfo fi = new System.IO.FileInfo(processPath);

                String path = String.Format("/assemblypath={0}", fi.FullName);
                String[] cmdline = { path };
                Context = new System.Configuration.Install.InstallContext("", cmdline);
    		}

    		SINST.Context = Context;
            SINST.DisplayName = String.Format("{0} - {1}", DisplayName, InstanceID);
            SINST.Description = String.Format("{0} - {1}", Description, InstanceID);
    		SINST.ServiceName = String.Format("{0}_{1}", ServiceName, InstanceID);
    		SINST.StartType = StartMode;
    		SINST.Parent = ProcessInstaller;

            // http://bytes.com/forum/thread527221.html
            SINST.ServicesDependedOn = new String[] { "Spooler", "Netlogon", "Netman" };

    		System.Collections.Specialized.ListDictionary state = new System.Collections.Specialized.ListDictionary();
    		SINST.Install(state);

            // http://www.dotnet247.com/247reference/msgs/43/219565.aspx
            using (RegistryKey oKey = Registry.LocalMachine.OpenSubKey(String.Format(@"SYSTEMCurrentControlSetServices{0}_{1}", ServiceName, InstanceID), true))
            {
                try
                {
                    Object sValue = oKey.GetValue("ImagePath");
                    oKey.SetValue("ImagePath", sValue);
                }
                catch (Exception Ex)
                {
                    System.Windows.Forms.MessageBox.Show(Ex.Message);
                }
            }

    	}
    	public void Uninstall(String ServiceName, String InstanceID)
    	{
    		//http://www.theblacksparrow.com/
    		System.ServiceProcess.ServiceInstaller SINST = new System.ServiceProcess.ServiceInstaller();

    		System.Configuration.Install.InstallContext Context = new System.Configuration.Install.InstallContext("c:\install.log", null);
    		SINST.Context = Context;
            SINST.ServiceName = String.Format("{0}_{1}", ServiceName, InstanceID);
            SINST.Uninstall(null);
    	}
    }
}