namespace DrawPenLesson

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void pictureBox1_Paint(object sender, PaintEventArgs e)

        {

            Draw(e.Graphics);

        }

        private void Draw(Graphics g)

        {

            g.Clear(Color.Black);

            Point[] points1 = new Point[4];

            points1[0] = new Point(0, 0);

            points1[1] = new Point(150, 60);

            points1[2] = new Point(80, 200);

            points1[3] = new Point(500, 150);



            //Pen boldPen = new Pen(Color.HotPink, 5);

            Pen pen1 = new Pen(Color.Red, 5);





            //Point p1 = new Point(20, 20);

            //Point p2 = new Point(500, 200);

            //g.DrawLine(boldPen, p1, p2);

            g.DrawLines(pen1, points1);



            Point[] points2 = new Point[6];

            points2[0] = new Point(300, 50);

            points2[1] = new Point(600, 500);

            points2[2] = new Point(50, 450);

            points2[3] = new Point(400, 110);

            points2[4] = new Point(500, 560);

            points2[5] = new Point(130, 40);



            Pen pen2 = new Pen(Color.BlueViolet, 8);

            g.DrawLines(pen2, points2);



            //Point p3 = new Point(100, 400);

            //g.DrawLine(boldPen, p2, p3);

        }

    }

}