System.Drawing.Graphics.DrawLine C# (CSharp) Method

        public void DrawLine(Pen pen, float x1, float y1, float x2, float y2)
        {
            if (pen == null)
                throw new ArgumentNullException ("pen");

            MoveTo (x1, y1);
            LineTo (x2, y2);
            StrokePen (pen);
        }

        public void Draw(Graphics g)
        {
            Pen p = new Pen(Color.Green, 1f);

            g.DrawLine(p, 0, height / 2, width, height / 2);
            g.DrawLine(p, width / 2, 0, width / 2, height);
        }