XNA 3.1 was a groundbreaking framework that democratized game development on Microsoft platforms. While obsolete today, its concepts live on in MonoGame/FNA, and it remains an important part of game development history. Unless you're maintaining legacy code or targeting Zune HD specifically, you should use MonoGame or FNA instead for any new projects.
protected override void LoadContent()
GraphicsDevice.Clear(Color.CornflowerBlue); spriteBatch.Begin(); spriteBatch.Draw(pixel, new Rectangle(100, 100, 200, 50), Color.Red); spriteBatch.End(); base.Draw(gameTime); xna framework 3.1
public Game1()
GraphicsDeviceManager graphics; SpriteBatch spriteBatch; Texture2D pixel; its concepts live on in MonoGame/FNA
graphics = new GraphicsDeviceManager(this); Content.RootDirectory = "Content";
protected override void Draw(GameTime gameTime) public Game1() GraphicsDeviceManager graphics
spriteBatch = new SpriteBatch(GraphicsDevice); pixel = new Texture2D(GraphicsDevice, 1, 1); pixel.SetData(new[] Color.White );