2D Graphics C#

using System;
using System.Drawing;
using System.Windows.Forms;
   
class ImageAtPoints: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new ImageAtPoints());
     }
     public ImageAtPoints()
     {
          ResizeRedraw = true;
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }        
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          grfx.DrawImage(image, new Point[] { new Point(cx / 2, 0),
                                              new Point(cx,     cy / 2),
                                              new Point(0,      cy / 2)});
               
        
     }
}