/// <summary>
        /// Constructor.
        /// </summary>
        public OptionsMenuScreen()
            : base("")
        {
            // Create our menu entries.
            ungulateMenuEntry = new MenuEntry(string.Empty);
            languageMenuEntry = new MenuEntry(string.Empty);
            frobnicateMenuEntry = new MenuEntry(string.Empty);
            elfMenuEntry = new MenuEntry(string.Empty);

            SetMenuEntryText();

            MenuEntry back = new MenuEntry("Back");

            // Hook up menu event handlers.
            ungulateMenuEntry.Selected += UngulateMenuEntrySelected;
            languageMenuEntry.Selected += LanguageMenuEntrySelected;
            frobnicateMenuEntry.Selected += FrobnicateMenuEntrySelected;
            elfMenuEntry.Selected += ElfMenuEntrySelected;
            back.Selected += OnCancel;

            // Add entries to the menu.
            MenuEntries.Add(ungulateMenuEntry);
            MenuEntries.Add(languageMenuEntry);
            MenuEntries.Add(frobnicateMenuEntry);
            MenuEntries.Add(elfMenuEntry);
            MenuEntries.Add(back);
        }
        /// <summary>
        /// Constructor fills in the menu contents.
        /// </summary>
        public MainMenuScreen()
            : base("")
        {
            gamePlayScreen = new GameplayScreen();
            front = true;

            // Create our menu entries.
            MenuEntry playGameMenuEntry = new MenuEntry("Play");
            MenuEntry controlsMenuEntry = new MenuEntry("Controls");
            MenuEntry exitMenuEntry = new MenuEntry("Exit");

            // Hook up menu event handlers.
            playGameMenuEntry.Selected += PlayGameMenuEntrySelected;
            controlsMenuEntry.Selected += controlsMenuEntrySelected;
            exitMenuEntry.Selected += OnCancel;

            // Add entries to the menu.
            MenuEntries.Add(playGameMenuEntry);
            MenuEntries.Add(controlsMenuEntry);
            MenuEntries.Add(exitMenuEntry);
        }