private async void KeyboardPage_Loaded(object sender, RoutedEventArgs e)
        {
            await GazeKeyboard.LoadLayout("MinAAC.xaml");

            GazeKeyboard.GazePlusClickMode = _navParams.GazePlusClickMode;
            if (_navParams.SpeechMode)
            {
                EnterButton.Content = "\uE768";
                TextControl.Focus(FocusState.Programmatic);
                return;
            }
            EnterButton.Content = "\uE73E";
            if (_navParams.ChildNode != null)
            {
                TextControl.Text = _navParams.ChildNode.Caption;
                TextControl.SelectAll();
            }
        }