GDI? / C#

using System;
using System.Windows.Forms;
using System.Drawing;
using System.Drawing.Drawing2D;

  public class Test : Form {

    private static int ScreenWidth  = 500;
    private static int ScreenHeight  = 400;
    private static string ImageFile  = ""; //billedfilens navn

    private PictureBox pb;
    private Button btn;

    public Test() {
      Text = "Test";
      Closed += new EventHandler(FormClosed);

      Width  = ScreenWidth;
      Height = ScreenHeight;

      pb = new PictureBox();
      pb.Parent = this;
      pb.SetBounds(8, 8, 200, 200);
      pb.Image = Image.FromFile(ImageFile);

      btn = new Button();
      btn.Text = "Click Me";
      btn.Parent = this;
      btn.Top = 216;
      btn.Left = 8;
      btn.Click += new EventHandler(BtnClick);

      Show();
    }

    private void BtnClick(Object Source, EventArgs e) {
      Graphics g = Graphics.FromHwnd(Handle); //laver et Graphics object fra formens handle
      g.DrawImage(pb.Image, 216, 8); //tegner billedet på formen
    }

    private void FormClosed(Object Source, EventArgs e) {
      Application.Exit();
    }

    public static void Main() {
      Application.Run(new Test());
    }

  }