---

using System;
using System.Drawing;
using System.Windows.Forms;

namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            Pen pen = new Pen(Color.Black, 10);

            g.DrawLine(pen, 100, 450, 700, 450);
            g.DrawLine(pen, 100, 450, 200, 600);
            g.DrawLine(pen, 700, 450, 650, 600);
            g.DrawLine(pen, 200, 600, 650, 600);

            g.DrawLine(pen, 300, 450, 300, 0);

            g.DrawLine(pen, 300, 100, 100, 400);
            g.DrawLine(pen, 300, 100, 700, 400);
            g.DrawLine(pen, 100, 400, 700, 400);

            g.DrawLine(pen, 300, 0, 400, 30);
            g.DrawLine(pen, 400, 30, 300, 80);
            g.DrawLine(pen, 300, 0, 300, 80);

        }
    }
}