public void AddMainMenuItem(string name, GameScreen screen, bool isExitItem)
 {
     _mainMenuItems.Add(_id++, new MenuItem(screen, isExitItem));
     MenuEntries.Add(name);
 }
        /// <summary>
        /// Removes a screen from the screen manager. You should normally
        /// use <see cref="GameScreen"/>.ExitScreen instead of calling this directly, so
        /// the screen can gradually transition off rather than just being
        /// instantly removed.
        /// </summary>
        public void RemoveScreen(GameScreen screen)
        {
            // If we have a graphics device, tell the screen to unload content.
            if ((_graphicsDeviceService != null) &&
                (_graphicsDeviceService.GraphicsDevice != null))
            {
                screen.UnloadContent();
            }

            _screens.Remove(screen);
            _screensToUpdate.Remove(screen);

            screen.Dispose();
        }
 public void AddMainMenuItem(string name, GameScreen screen)
 {
     AddMainMenuItem(name, screen, false);
 }
        /// <summary>
        /// Adds a new screen to the screen manager.
        /// </summary>
        public void AddScreen(GameScreen screen)
        {
            screen.ScreenManager = this;
            screen.Initialize();
            // If we have a graphics device, tell the screen to load content.
            if ((_graphicsDeviceService != null) &&
                (_graphicsDeviceService.GraphicsDevice != null))
            {
                screen.LoadContent();
            }

            _screens.Add(screen);
        }