for (int i = 0; i < 10; i++)
            {
                Graphics g = panel1.CreateGraphics();
                
                //Mit Zeichnen Gehts nicht :(
                //g.FillRectangle(new SolidBrush(Color.DarkCyan), 10, i * 100 + 10, 100, 90);
                //Mit Button gehts
                Button b = new Button();
                b.Text = i.ToString();
                b.Location = new Point(10, i * 100 + 10);
                b.Size = new Size(100, 90);

                panel1.Controls.Add(b);
            }

using System;
using System.IO;
using System.Windows.Forms;
using System.Drawing;

public class MyWindow : Form
{
   const int iWidth      = 600;
   const int iHeight     = 480;

   public MyWindow ()
   {
      Control ctrlCurr;

      Text = "MyWindow";
      ClientSize = new Size (iWidth, iHeight);

      ctrlCurr = new Panel ();
      ctrlCurr.Dock = DockStyle.Fill;
      ((Panel)ctrlCurr).AutoScroll = true;
      ((Panel)ctrlCurr).AutoScrollMinSize = new Size (3*iWidth, 3*iHeight);
      ctrlCurr.Paint += PanelPaint;
      Controls.Add (ctrlCurr);
   }

   protected void PanelPaint (Object objSender, PaintEventArgs e)
   {
      Panel pnl = ((Panel)objSender);
      Console.WriteLine (e.ClipRectangle);
      Console.WriteLine (((Panel)objSender).AutoScrollPosition);
      e.Graphics.FillEllipse (Brushes.Green,
                               10+pnl.AutoScrollPosition.X,
                               10+pnl.AutoScrollPosition.Y,
                               iWidth / 2, iHeight / 2);
   }
}

static class App
{
   public static void Main (string [] astrArg)
   {
      Application.Run (new MyWindow ());
   }
}

e.Graphics.TranslateTransform (pnl.AutoScrollPosition.X, pnl.AutoScrollPosition.Y);