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 WindowsFormsApplication20 { public partial class Form1 : Form { public Form1() { InitializeComponent(); }
private void Form1_Paint(object sender, PaintEventArgs e) { Graphics g = e.Graphics(); g.DrawLine(new Pen(Color.Red, 2), new Point(10, 10), new Point(100, 100)); g.Dispose(); } } }