public class Game1 : Microsoft.Xna.Framework.Game
    {
        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;

        Tile tl = new Tile();

        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            Content.RootDirectory = "Content";

            graphics.PreferredBackBufferWidth = 1280;
            graphics.PreferredBackBufferHeight = 960;
            //graphics.IsFullScreen = true;


        }

        protected override void Initialize()
        {
            // TODO: Add your initialization logic here

           base.Initialize();
        }

        protected override void LoadContent()
        {
            spriteBatch = new SpriteBatch(GraphicsDevice);
            Content.RootDirectory = "Content";
        }

        protected override void UnloadContent()
        {
            // TODO: Unload any non ContentManager content here
        }

        protected override void Update(GameTime gameTime)
        {
            // Allows the game to exit
            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
                this.Exit();

            // TODO: Add your update logic here

            base.Update(gameTime);
        }

        /// <summary>
        /// This is called when the game should draw itself.
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values.</param>
        ///

        inputForm iForm = new inputForm();

        bool[,] centerPiece = new bool[,] { { false, true, false }, { true, true, true }, { false, true, false } };
        bool[,] cornerPiece = new bool[,] { { false, true, false }, { true, true, false }, { false, false, false } };
        bool[,] stairPiece = new bool[,] { { false, true, false }, { true, true, true }, { false, false, false } };
        bool[,] straightPiece = new bool[,] { { false, true, false }, { false, true, false }, { false, true, false } };
        protected override void Draw(GameTime gameTime)
        {
            GraphicsDevice.Clear(Color.White);

            // Draw the sprite.
            spriteBatch.Begin(SpriteSortMode.BackToFront, BlendState.AlphaBlend);

            //Draw centerPiece
            tl.centerPiece(spriteBatch, centerPiece);

            spriteBatch.End();

            base.Draw(gameTime);

            //iForm.Show();
        }
    }

public class Tile : Microsoft.Xna.Framework.Game
    {
        GraphicsDeviceManager graphics;
        public float spacing = 32f;
        public Texture2D squareTex;

        public Vector2 IMGCenter()
        {
            Vector2 imageCenter = new Vector2(4 / 2f, 4 / 2f);
            return imageCenter;
        }

        public Vector2 screenView()
        {
            Viewport viewport = GraphicsDevice.Viewport;
            Vector2 screenCenter = new Vector2(viewport.Width / 2f, viewport.Height / 2f);
            return screenCenter;
        }

        public Tile()
        {

        }

        public void centerPiece(SpriteBatch batch, bool[,] squareCombo)
        {
            for (int x = 0; x < squareCombo.GetLength(0); x++)
            {
                for (int y = 0; y < squareCombo.GetLength(1); y++)
                {
                    if (squareCombo[x, y] == true)
                    {
                        Vector2 offset = new Vector2(x, y) * spacing;
                        Vector2 position = IMGCenter() + offset;

                        batch.Draw(squareTex, screenView(), null, Color.White, 0f, position, 1f, SpriteEffects.None, 0f);
                    }
                }
            }
        }
    }

Viewport viewport = GraphicsDevice.Viewport;