C#

...
Image img = Image.FromFile(open_file_dialog.FileName);
if (img.Height > 220 || img.Width > 220)
{
mypicturebox.SizeMode = PictureBoxSizeMode.AutoSize;
mypicturebox.Dock = DockStyle.None;
mypicturebox.Location = new System.Drawing.Point(0, 0);
}
else
{
mypicturebox.SizeMode = PictureBoxSizeMode.CenterImage;
mypicturebox.Dock = DockStyle.Fill;
}

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 ScrollableControl_Bug
{
	public partial class Form1 : Form
	{
		ScrollableControl scrl = new ScrollableControl();

		public Form1()
		{
			InitializeComponent();
		}

		private void Form1_Load(object sender, EventArgs e)
		{
			this.Controls.Add(scrl);
			this.Resize += new EventHandler(Form1_Resize);

			scrl.Dock = DockStyle.Fill;
			scrl.AutoScroll = false; // We want to draw the contents of "scrl" based on the scrollbar position. (No controls inside it)
			scrl.Visible = true;

			scrl.HorizontalScroll.Minimum = 0;
			scrl.HorizontalScroll.Maximum = 400;
			scrl.HorizontalScroll.LargeChange = this.Height;
			scrl.HorizontalScroll.SmallChange = 10;
			scrl.HorizontalScroll.Value = 30;
			scrl.HorizontalScroll.Visible = true;

			scrl.VerticalScroll.Minimum = 0;
			scrl.VerticalScroll.Maximum = 400;
			scrl.VerticalScroll.LargeChange = this.Width;
			scrl.VerticalScroll.SmallChange = 10;
			scrl.VerticalScroll.Value = 30;
			scrl.VerticalScroll.Visible = true;

			scrl.Scroll += new ScrollEventHandler(scrl_Scroll);
			scrl.Paint += new PaintEventHandler(scrl_Paint);
		}

		void scrl_Paint(object sender, PaintEventArgs e)
		{
			Graphics gr = e.Graphics;
			string str = "Horiz. Scroll Value = " + scrl.HorizontalScroll.Value.ToString() +
						"\r\nVert. Scroll Value =  " + scrl.VerticalScroll.Value.ToString() +
						"\r\n\r\nTry to scroll...";
			gr.DrawString(str, new Font("Arial", 10.0f), new SolidBrush(Color.Black), 0.0f, 0.0f);
		}

		void Form1_Resize(object sender, EventArgs e)
		{
			scrl.VerticalScroll.LargeChange = this.Height;
			scrl.HorizontalScroll.LargeChange = this.Width;
			scrl.Refresh();
		}

		void scrl_Scroll(object sender, ScrollEventArgs e)
		{
			scrl.Refresh();
		}
	}
}

<br />
    protected override Point ScrollToControl( Control c )<br />
    {<br />
        return AutoScrollPosition;<br />
    }<br />