private void Button_Forget_Device_Click(object sender, RoutedEventArgs e) { PassportDevice selectedDevice = UserListView.SelectedItem as PassportDevice; if (selectedDevice != null) { //Remove it from Windows Hello MicrosoftPassportHelper.RemovePassportDevice(_activeAccount, selectedDevice.DeviceId); Debug.WriteLine("User " + _activeAccount.Username + " deleted."); if (!UserListView.Items.Any()) { //Navigate back to UserSelection page. Frame.Navigate(typeof(UserSelection)); } } else { ForgetDeviceErrorTextBlock.Visibility = Visibility.Visible; } }