eu.sig.training.ch02.v1.Square.Link C# (CSharp) Method

        public void Link(Square neighbour, Direction dir)
        {
        }

        // end::createBoard[]

        // tag::setLink[]
        private void SetLink(Square square, Direction dir, int x, int y,
            int width, int height, Square[,] grid) {
            int dirX = (width + x + dir.DeltaX) % width;
            int dirY = (height + y + dir.DeltaY) % height;
            Square neighbour = grid[dirX,dirY];
            square.Link(neighbour, dir);
        }