Потоки, мультипоточность Task or Async/Await or ThreadPool?

    internal class ControlAutoUpdater: IDisposable
    {
        private readonly Action _action;
        private readonly Func<bool> _isOutdated;
        private readonly Timer _timer;
        private bool _disposed;
 
        public ControlAutoUpdater(Action action, Func<bool> isOutdated, int interval)
        {
            if (action == null) throw new ArgumentNullException(nameof(action));
            if (isOutdated == null) throw new ArgumentNullException(nameof(isOutdated));
            if (interval <= 0) throw new ArgumentOutOfRangeException(nameof(interval));
 
            _action = action;
            _isOutdated = isOutdated;
            _timer = new Timer {Interval = interval};
            _timer.Tick += (s, a) => RunOneIteration();
            _timer.Enabled = true;
        }
 
        private void RunOneIteration()
        {
            if (_isOutdated())
                _action();
        }
 
        public void Dispose()
        {
            if (_disposed) return;
            _timer.Dispose();
            _disposed = true;
        }
    }