using System;
using System.Drawing;
using System.Windows.Forms;
class PaintHello
{
public static void Main()
{
Form form = new Form();
form.BackColor = Color.White;
form.Paint += new PaintEventHandler(MyPaintHandler);
Application.Run(form);
}
static void MyPaintHandler(object objSender, PaintEventArgs pea)
{
Form form = (Form)objSender;
Graphics g = pea.Graphics;
PointF pt = new PointF(50.0F, 50.0F);
PointF newPoint = PointF.Empty;
newPoint.X = 100.0F;
newPoint.Y = 200.0F;
Pen pn = new Pen(Color.Blue, 4);
g.DrawLine(pn, pt, newPoint);
pn.Dispose();
g.Dispose();
}
}