رسم خط در سی شارپ با استفاده از متد SetPixel از شی Bitmap

[exlord]

        private void button1_Click(object sender, EventArgs e)

        {

            mybmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);

            pictureBox1.Image = line(10, 10, 100, 100);

        }

        Bitmap mybmp;

        Bitmap line(int x1, int y1, int x2, int y2)

        {

            double a = (y2 - y1) / (x2 - x1);

            //y = ax + b

            int b = (int)(y1 - (a * x1));



            for (int x = x1; x <= x2; x+=2)

            {

                int y = (int)(a * x) + b;

                mybmp.SetPixel(x, y, Color.Red);

            }



            return mybmp;

        }