var CancellationTokenSource = new CancellationTokenSource();

        CancellationTokenSource?.Cancel();

        CancellationTokenSource = new CancellationTokenSource();

        var token = CancellationTokenSource.Token;
        await RunPeriodically(async () =>
        {

            var screenCaptured = TakeScreenshot();

            if (screenCaptured == null || CancellationTokenSource.Token.IsCancellationRequested)
                return;

            var correctUserName = Settings.Default.Username.Split('.');
            var parsedUsername = correctUserName[0] + " " + correctUserName[1];
            await ScreenshotHelper.UploadScreenshotAsync(ProjectName, "screenshotscontainer",
                screenCaptured.ToArray(), Environment.MachineName, parsedUsername);
            Console.WriteLine("Took Screenshot: " + DateTime.Now.ToString(CultureInfo.InvariantCulture));

        }, TimeSpan.FromSeconds(3), token);

public async Task RunPeriodically(Action action, TimeSpan interval, CancellationToken token)
    {
        while (true)
        {
            action();
            await Task.Delay(interval, token);
        }
    }