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 WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Bitmap CropImage(Bitmap source, Rectangle section)
{
Bitmap bmp = new Bitmap(section.Width, section.Height);

Graphics g = Graphics.FromImage(bmp);

g.DrawImage(source, 0, 0, section, GraphicsUnit.Pixel);

return bmp;
}

public Form1()
{
InitializeComponent();
}

private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
string Chosen_File = “”;

openFD.InitialDirectory = “C:”;
openFD.Title = “Insert Image”;
openFD.FileName = “”;
openFD.Filter = “JPEG Images|*.jpg|GIF Images|*.gif|BITMAPS|*.bmp|All Files|*.*”;

if (openFD.ShowDialog() == DialogResult.Cancel)
{
MessageBox.Show(“Cancel?”);

}
else
{

Chosen_File = openFD.FileName;
pictureBox1.Image = Image.FromFile(Chosen_File);
}

}

private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
{
string Saved_File = “”;
saveFileDialog.DefaultExt = “jpg”;
saveFileDialog.Filter = “JPEG Images|*.jpg|GIF Images|*.gif|BITMAPS|*.bmp|All Files|*.*”;
saveFileDialog.AddExtension = true;
saveFileDialog.RestoreDirectory = true;
saveFileDialog.Title = “Where do you want to save the file?”;
saveFileDialog.FileName = “”;
saveFileDialog.InitialDirectory = “C:\\”;

if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
Saved_File = saveFileDialog.FileName;
MessageBox.Show(“You selected the file: ” + Saved_File);
try
{
pictureBox1.Image.Save(Saved_File);
}
catch (Exception f)
{
MessageBox.Show(f.Message);
}
}
else
{
MessageBox.Show(“Cancel or closed the dialog.”);
}
}

private void exitToolStripMenuItem_Click(object sender, EventArgs e)
{
if (MessageBox.Show(“Seriously quitting?? “, “Exit”, MessageBoxButtons.OKCancel) == DialogResult.OK)

Application.Exit();
}

private void pictureBox1_Click(object sender, EventArgs e)
{
pictureBox1.SizeMode = PictureBoxSizeMode.AutoSize;

}

private void cropToolStripMenuItem_Click(object sender, EventArgs e)
{
Bitmap img = new Bitmap(pictureBox1.Image);

// The section that will be cropped.
Rectangle section = new Rectangle(10, 10, 100, 100);

// Crop the image and save it
img = CropImage(img, section);
img.Save(“C:\\test.jpg”);

}
}
}

Download the source code. And make a new project in Vs2005 and copy the code from the “.cs” files.

I’ve edited the post. You can download the source code now.