protected override async void OnNavigatedTo(NavigationEventArgs e) { FilterCombobox.ItemsSource = Enum.GetValues(typeof(Beads)); FilterCombobox.SelectedIndex = 0; SerialportCombobox.ItemsSource = await SerialPort.GetDeviceList(); FilterCombobox.SelectedIndex = 0; StartPointX.Text = StartPoint.X.ToString(); StartPointY.Text = StartPoint.Y.ToString(); EndPointX.Text = EndPoint.X.ToString(); EndPointY.Text = EndPoint.Y.ToString(); SpeedTextBox.Text = Speed.ToString(); await webcam.Initialize(); _FPSTimer.Start(); _MessageTimer.Start(); }