public TwoLineTextBlockControl()
        {
            _fontOptions                  = new FontOptions();
            _fontObserverDisposer         = _fontOptions.Observe(this);
            _fontOptions.PropertyChanged += FontOptionsOnPropertyChanged;
            _textMeasure                  = TextMeasureHelper.GetTextMeasure(new FontOptionsStruct(_fontOptions));

            _panel = new TwoLineTextBlockPanel(CreateTextBlock(), CreateTextBlock());

            ChildInternal = _panel;
        }