prs/prs.server/Services/PRSInstaller.cs

using System.Collections;
using System.ComponentModel;
using System.Configuration.Install;
using System.IO;
using System.Security.Principal;
using System.ServiceProcess;

namespace PRSServer
{
    [RunInstaller(true)]
    public class PRSInstaller : Installer
    {
        private readonly ServiceProcessInstaller _proc;
        private readonly ServiceInstaller _svc;

        public PRSInstaller()
        {
            _proc = new ServiceProcessInstaller();

            _svc = new ServiceInstaller { StartType = ServiceStartMode.Automatic };

            Installers.Add(_svc);
            Installers.Add(_proc);
        }

        protected override void OnBeforeInstall(IDictionary savedState)
        {
            var username = Context.Parameters["/username"];
            if (string.IsNullOrWhiteSpace(username))
            {
                _proc.Account = ServiceAccount.LocalSystem;
                _proc.Username = WindowsIdentity.GetCurrent().Name;
            }
            else
            {
                _proc.Account = ServiceAccount.User;
                _proc.Username = username;
                _proc.Password = Context.Parameters["/password"] ?? "";
            }

            _svc.ServiceName = Context.Parameters["/name"];
            _svc.DisplayName = Context.Parameters["/displayName"];
            _svc.Description = Context.Parameters["/description"];

            // Change to .exe because .NET creates and runs .dll
            Context.Parameters["assemblypath"] =
                "\"" + Path.ChangeExtension(Context.Parameters["assemblypath"], "exe") + "\" /service=" + _svc.ServiceName;
            base.OnBeforeInstall(savedState);
        }

        protected override void OnBeforeUninstall(IDictionary savedState)
        {
            _svc.ServiceName = Context.Parameters["/name"];

            // Change to .exe because .NET creates and runs .dll
            Context.Parameters["assemblypath"] =
                "\"" + Path.ChangeExtension(Context.Parameters["assemblypath"], "exe") + "\" /service=" + _svc.ServiceName;
            base.OnBeforeUninstall(savedState);
        }
    }
}