using System;

using System.Diagnostics;

using HighPrecisionTimer;

using Math = System.Math;

​

namespace TimerDemo

{

    public class NovaObservable

    {

        private  Stopwatch sw { get; set; }

        private int Interval { get; set; }

        private int Duration { get; set; }

        private MultimediaTimer Timer { get; set; }

        private Action Action { get; set; }

        private int Iteration { get; set; } = 1;

        private readonly object _lockObject = new object();

​

        public NovaObservable(int interval, int duration, Action action)

        {

            Interval = interval;

            Duration = duration;

            Action = action;

            sw = new Stopwatch();

​

            Console.WriteLine($"Start Time: {DateTime.Now}");

​

            using (Timer = new MultimediaTimer { Interval = interval, Resolution = 0 })

            {

                Timer.Elapsed += OnTimerElapsed;

                sw.Start();

                Timer.Start();

                Console.ReadKey(true);

            }

        }

​

        private void OnTimerElapsed(object obj, EventArgs args)

        {

            // pretty un-performant but we can address later

            lock (_lockObject)

            {

                var num = Math.Round((double)sw.ElapsedMilliseconds / Interval);

                var roundedElapsed = num * Interval;

                Console.WriteLine(roundedElapsed);

                if (roundedElapsed <= Duration)

                {

                    Console.Write($"[{Iteration}]");

                    Action();

                    Iteration++;

                }

                else

                {

                    sw.Stop();

                    Timer.Stop();

                    Timer.Elapsed -= OnTimerElapsed;

                    Timer.Dispose();

                    Console.WriteLine($"End Time: {DateTime.Now}");

                }

            }

        }

    }

}

​