Website Link : https://www.codeproject.com/Articles/14353/Creating-a-Basic-Windows-Service-in-C

Snippets:

using System;

using System.Diagnostics;

using System.ServiceProcess;

namespace WindowsService

{

class WindowsService : ServiceBase

{

/// <summary>

/// Public Constructor for WindowsService.

/// - Put all of your Initialization code here.

/// </summary>

public WindowsService()

{

this.ServiceName = "My Windows Service";

this.EventLog.Log = "Application";

// These Flags set whether or not to handle that specific

// type of event. Set to true if you need it, false otherwise.

this.CanHandlePowerEvent = true;

this.CanHandleSessionChangeEvent = true;

this.CanPauseAndContinue = true;

this.CanShutdown = true;

this.CanStop = true;

}

/// <summary>

/// The Main Thread: This is where your Service is Run.

/// </summary>

static void Main()

{

ServiceBase.Run(new WindowsService());

}

/// <summary>

/// Dispose of objects that need it here.

/// </summary>

/// <param name="disposing">Whether

/// or not disposing is going on.</param>

protected override void Dispose(bool disposing)

{

base.Dispose(disposing);

}

/// <summary>

/// OnStart(): Put startup code here

/// - Start threads, get inital data, etc.

/// </summary>

/// <param name="args"></param>

protected override void OnStart(string[] args)

{

base.OnStart(args);

}

/// <summary>

/// OnStop(): Put your stop code here

/// - Stop threads, set final data, etc.

/// </summary>

protected override void OnStop()

{

base.OnStop();

}

/// <summary>

/// OnPause: Put your pause code here

/// - Pause working threads, etc.

/// </summary>

protected override void OnPause()

{

base.OnPause();

}

/// <summary>

/// OnContinue(): Put your continue code here

/// - Un-pause working threads, etc.

/// </summary>

protected override void OnContinue()

{

base.OnContinue();

}

/// <summary>

/// OnShutdown(): Called when the System is shutting down

/// - Put code here when you need special handling

/// of code that deals with a system shutdown, such

/// as saving special data before shutdown.

/// </summary>

protected override void OnShutdown()

{

base.OnShutdown();

}

/// <summary>

/// OnCustomCommand(): If you need to send a command to your

/// service without the need for Remoting or Sockets, use

/// this method to do custom methods.

/// </summary>

/// <param name="command">Arbitrary Integer between 128 & 256</param>

protected override void OnCustomCommand(int command)

{

// A custom command can be sent to a service by using this method:

//# int command = 128; //Some Arbitrary number between 128 & 256

//# ServiceController sc = new ServiceController("NameOfService");

//# sc.ExecuteCommand(command);

base.OnCustomCommand(command);

}

/// <summary>

/// OnPowerEvent(): Useful for detecting power status changes,

/// such as going into Suspend mode or Low Battery for laptops.

/// </summary>

/// <param name="powerStatus">The Power Broadcast Status

/// (BatteryLow, Suspend, etc.)</param>

protected override bool OnPowerEvent(PowerBroadcastStatus powerStatus)

{

return base.OnPowerEvent(powerStatus);

}

/// <summary>

/// OnSessionChange(): To handle a change event

/// from a Terminal Server session.

/// Useful if you need to determine

/// when a user logs in remotely or logs off,

/// or when someone logs into the console.

/// </summary>

/// <param name="changeDescription">The Session Change

/// Event that occured.</param>

protected override void OnSessionChange(

SessionChangeDescription changeDescription)

{

base.OnSessionChange(changeDescription);

}

}

}

using System;

using System.ComponentModel;

using System.Configuration.Install;

using System.ServiceProcess;

namespace WindowsService

{

[RunInstaller(true)]

public class WindowsServiceInstaller : Installer

{

/// <summary>

/// Public Constructor for WindowsServiceInstaller.

/// - Put all of your Initialization code here.

/// </summary>

public WindowsServiceInstaller()

{

ServiceProcessInstaller serviceProcessInstaller =

new ServiceProcessInstaller();

ServiceInstaller serviceInstaller = new ServiceInstaller();

//# Service Account Information

serviceProcessInstaller.Account = ServiceAccount.LocalSystem;

serviceProcessInstaller.Username = null;

serviceProcessInstaller.Password = null;

//# Service Information

serviceInstaller.DisplayName = "My New C# Windows Service";

serviceInstaller.StartType = ServiceStartMode.Automatic;

//# This must be identical to the WindowsService.ServiceBase name

//# set in the constructor of WindowsService.cs

serviceInstaller.ServiceName = "My Windows Service";

this.Installers.Add(serviceProcessInstaller);

this.Installers.Add(serviceInstaller);

}

}

}