internal sealed class Program
    {
#if DEBUG
        private static void Main()
#else
        private static void NotUsedMain()
#endif
        {
            XmlConfigurator.Configure();
            AppDomain.CurrentDomain.UnhandledException += DomainExceptionsHandler.OnDomainUnhandledException;
            Logger log = LogManager.GetCurrentClassLogger();
            using (var serviceBuilder = new ServicesBuilder())
            {
                log.Debug("Starting...");
                serviceBuilder.BuildApplication();
                serviceBuilder.OpenCommunicationServices();
                log.Info("MyConnectorService is running. Press <Esc> or <Enter> to stop.");
                while (ProcessSpecialKey(Console.ReadKey()))
                {
                }
            }
        }

        private static bool ProcessSpecialKey(ConsoleKeyInfo keyInfo)
        {
            switch (keyInfo.Key)
            {
                case ConsoleKey.Enter:
                case ConsoleKey.Escape:
                    return false;
            }
            return true;
        }
    }
}

partial class WindowsService1 : ServiceBase
    {
        private readonly Logger _log;
        private readonly ServicesBuilder _serviceBuilder;

        public WindowsService1()
        {
            InitializeComponent();
            _log = LogManager.GetCurrentClassLogger();
            _serviceBuilder = new ServicesBuilder();
            _serviceBuilder.BuildApplication();
        }

        protected override void OnStart(string[] args)
        {
            try
            {
                _log.Info("Starting MyWindows Service...");
                _serviceBuilder.OpenCommunicationServices();
                _log.Info("MyWindows Service is running");
            ...
        }

        protected override void OnStop()
        {
            try
            {
                _serviceBuilder.CloseCommunicationServices();
            ...
        }

#if !DEBUG
        private static void Main()
#else
        private static void NotUsedMain()
#endif
        {
            var servicesToRun = new ServiceBase[]
                                    {
                                        new WindowsService1(),
                                    };
            Run(servicesToRun);
        }
    }
}

public class ServicesBuilder : IDisposable
{
    public void BuildApplication()
    {
    }

    public void CloseCommunicationServices()
    {
    }

    public void OpenCommunicationServices()
    {
    }
}