protected override void Initialize()
        {
            // TODO: Add your initialization logic here
            graphics.PreferredBackBufferHeight = 272;
            graphics.PreferredBackBufferWidth = 480;
            base.Initialize();
            base.Window.Title = "Shakam Pong";
        }

public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            content = new ContentManager(Services);
            graphics.PreferredBackBufferHeight = 800;
            graphics.PreferredBackBufferWidth = 1000;
        }

public MyGame()
{
    this.graphics = new GraphicsDeviceManager(this);
    this.graphics.PreferMultiSampling = true;

    this.content = new ContentManager(Services);
}

protected override void Initialize()
{
    DisplayMode displayMode = this.graphics.GraphicsDevice.DisplayMode;

    this.graphics.PreferredBackBufferWidth = displayMode.Width;
    this.graphics.PreferredBackBufferHeight = displayMode.Height;
    this.graphics.IsFullScreen = true;
    this.graphics.ApplyChanges();

    base.Initialize();
}