Service et csharp

Links

• Create a Windows service app

Create the project

1. File → New → Project
2. Windows Service (.NET Framework)
3. Rename Service1.cs to MyService.cs
4. Double-click on MyService.cs to open the designer → Properties → ServiceName = MyService

Code

MyService.cs

public partial class MyService : ServiceBase { public MyService() { InitializeComponent(); } protected override void OnStart(string[] args) { } protected override void OnStop() { } }

Program.cs

static void Main() { ServiceBase[] ServicesToRun; ServicesToRun = new ServiceBase[] { new MyService() }; ServiceBase.Run(ServicesToRun); }

Installer

1. Right-click on MyService.cs → View Designer
2. Right-click on the background → Add Installer
3. A new class ProjectInstaller has been added
4. Right-click on ProjectInstaller.cs → View Designer
5. Description = This service manages the ...
6. DisplayName = My service
7. StartType = Automatic
8. Select serviceProcessInstaller1 → Properties → Account = LocalSystem

Build the service

1. Right-click on MyService project → Properties
2. Application tab → Startup object = MyService.Program

Install the service

InstallUtil

# first deploy your service (MyService.exe) to the folder "C:\Program Files\MyService" # install MyService C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe "C:\Program Files\MyService\MyService.exe" # uninstall MyService C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe /u "C:\Program Files\MyService\MyService.exe"

MyServiceInstaller.cs

[RunInstaller(true)] public class MyServiceInstaller : Installer { public MyServiceInstaller() { var processInstaller = new ServiceProcessInstaller(); var serviceInstaller = new ServiceInstaller(); var assemblyDescription = Assembly.GetExecutingAssembly() .GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false) .OfType<AssemblyDescriptionAttribute>().FirstOrDefault(); processInstaller.Account = ServiceAccount.LocalSystem; serviceInstaller.ServiceName = typeof(WindowsCommandsService).Name; serviceInstaller.DisplayName = string.Concat(typeof(WindowsCommandsService).Name.Select(x => Char.IsUpper(x) ? $" {x}" : $"{x}")).TrimStart(' '); serviceInstaller.Description = assemblyDescription?.Description; serviceInstaller.StartType = ServiceStartMode.Manual; this.Installers.Add(processInstaller); this.Installers.Add(serviceInstaller); } }

PowerShell

Open a powershell prompt with administrative credentials.

cd $home\source\repos\MyService\MyService\bin\Debug New-Service -Name "MyService" -DisplayName "My service" -Description "This service runs ..." -StartupType "Manual" -BinaryPathName MyService.exe # uninstall, PowerShell 6 or later is required Remove-Service -Name "MyService" # after the executable for a service is deleted, the service might still be present in the registry # remove the entry for the service from the registry sc.exe delete "MyService"

Developer Command Prompt for VS

Open Developer Command Prompt for VS with administrative credentials.

cd %UserProfile%\source\repos\MyService\MyService\bin\Debug installutil MyService.exe REM %windir%\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe REM uninstall the service installutil.exe /u MyService.exe

Create an installer package

1. Install the Wix Toolset Visual Studio Extension