Windows.UI.Xaml.DispatcherTimer.Start C# (CSharp) Méthode

		public extern void Start();
		public extern void Stop();

        private void ButFluct_Click(object sender, RoutedEventArgs e)
        {
            FluctStatus1 = !FluctStatus1;
            if (FluctStatus1)
            {
                FluctStatusString1 = "on";
                fluctTimer.Start();
                bool test1 = (double.TryParse(txtFluctWidth.Text, out fluctWidth));
                bool test2 = (double.TryParse(txtFluctTime.Text, out fluctTime));

                if (test1 == false || test2 == false)
                {
                    FluctStatus1       = false;
                    FluctStatusString1 = "fail";
                }
            }
            else
            {
                FluctStatusString1 = "off";
            }

            if (FluctStatus1 || FluctStatus2)
            {
                FluctStatus = true;
                fluctTimer.Start();
            }

            if (FluctStatus1 == false && FluctStatus2 == false)
            {
                FluctStatus = false;
                fluctTimer.Stop();
            }
        }