Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Hosting.WindowsServices;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.EventLog;
using Microsoft.Extensions.Options;

namespace catswipe
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureLogging(
                    options => options.AddFilter<EventLogLoggerProvider>(level => level >= LogLevel.Information))
                .ConfigureServices((hostContext, services) =>
                {
                    services.Configure<InfoSec>(hostContext.Configuration.GetSection("InfoSec"));
                    services.AddHostedService<Worker>()
                        .Configure<EventLogSettings>(config =>
                        {
                            config.LogName = "LockScreenThug";
                            config.SourceName = "Service to Reset Lockscreen";
                        });
                }).UseWindowsService();

    }

    public class InfoSec{

        public string Lockscreen { get; set; }
        public string MyImage { get; set; }
        public int Refresh { get; set; }

    }

}