DIBUJAR UN VECTOR EN C#

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace vector

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

      

        private void btndraw_Click(object sender, EventArgs e)

        {

            // linea vertical

            int x1v=250;

            int x2v=250;

            int y1v=0;

            int y2v=500;

            //linea horizontal

            int x1h = 0;

            int x2h = 500;

            int y1h = 250;

            int y2h = 250;

           

            Graphics g;

            g = this.CreateGraphics();

            Pen p;

            p = new Pen(Color.Brown,5);

            g.DrawLine(p, x1v, y1v, x2v, y2v);

                  

            g.DrawLine(p, x1h, y1h, x2h, y2h);

        }

        private void btnline_Click(object sender, EventArgs e)

        {

            int x1v = Width/2;

            int x2v = 500;

            int y1v = Height/2;

            int y2v = 0;

            Graphics g;

            g = this.CreateGraphics();

            Pen p;

            p = new Pen(Color.Blue, 5);

            g.DrawLine(p, x1v, y1v, x2v, y2v);

        }

    }

}

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