BaconographyWP8.PlatformServices.SystemServices.StopTimer C# (CSharp) Метод

        public void StopTimer(object tickHandle)
        {
            if (tickHandle is DispatcherTimer)
            {
                if (((DispatcherTimer)tickHandle).IsEnabled)
                    ((DispatcherTimer)tickHandle).Stop();
            }
            else if (tickHandle is Task<DispatcherTimer>)
            {
                _uiDispatcher.BeginInvoke(async () =>
                    {
                        var timer = await (Task<DispatcherTimer>)tickHandle;
                        timer.Stop();
                    });
            }
            else if (tickHandle is ThreadPoolTimer)
            {
                ((ThreadPoolTimer)tickHandle).Cancel();
            }
        }