//We can pass a bool to choose if we preview the font directly in the list of fonts.
        Bool previewFontInFontList = true;
        ColorFontDialog dialog = new ColorFontDialog(previewFontInFontList);
        dialog.Font = FontInfo.GetControlFont(MyTextBox);
        
        if (dialog.ShowDialog() == true)
        {
            FontInfo font = dialog.Font;
            if (font != null)
            {
                FontInfo.ApplyFont(MyTextBox, font);
            }
        }