private void pressArrow(object sender, KeyEventArgs e)
        {
            switch (e.KeyCode)
            {
            case Keys.Up:
                controller.ActionPerformed(TwoZeroFourEightController.UP);
                break;

            case Keys.Left:
                controller.ActionPerformed(TwoZeroFourEightController.LEFT);
                break;

            case Keys.Right:
                controller.ActionPerformed(TwoZeroFourEightController.RIGHT);
                break;

            case Keys.Down:
                controller.ActionPerformed(TwoZeroFourEightController.DOWN);
                break;
            }
            lblDisplay.Text = (model.GetScore()).ToString();
            if (model.GameOver())
            {
                lblSta.Text = (model.GameOver() ? "Game Over" : lblSta.Text);
                GameOverScreen end = new GameOverScreen(lblDisplay.Text);
                end.Show();
            }
        }
        private void btnRight_KeyPress(object sender, KeyPressEventArgs e)
        {
            switch (e.KeyChar)
            {
            case (char)Keys.Left:
                controller.ActionPerformed(TwoZeroFourEightController.LEFT);
                break;

            case (char)Keys.Right:
                controller.ActionPerformed(TwoZeroFourEightController.RIGHT);
                break;

            case (char)Keys.Up:
                controller.ActionPerformed(TwoZeroFourEightController.UP);
                break;

            case (char)Keys.Down:
                controller.ActionPerformed(TwoZeroFourEightController.DOWN);
                break;
            }
            if (model.GameOver())
            {
                popGameOver();
            }
        }