source: 2011/23/sijoseha/Fera Proelia/Fera Proelia/Fera Proelia/GameScreen.cs @ 2124

using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

namespace Fera_Proelia
{
    public abstract class GameScreen
    {
        public bool IsActive { get { return !otherScreenHasFocus; } }
        bool otherScreenHasFocus;

        public ScreenManager ScreenManager
        {
            get { return screenManager; }
            internal set { screenManager = value; }
        }
        ScreenManager screenManager;

        public GameScreen()
        {

        }
        public virtual void LoadContent() { }
        public virtual void UnloadContent() { }

        public virtual void Update(GameTime gameTime, bool otherScreenHasFocus)
        {
            this.otherScreenHasFocus = otherScreenHasFocus;
        }
        public virtual void Draw(GameTime gameTime) { }

        public void ExitScreen()
        {
            ScreenManager.RemoveScreen(this);
        }
    }
}