C#

((PictureBox) sender).Image</code).<br />
<br />
[EDIT: And in your <code>map11_Click

private void ChangePicture(object sender, System.EventArgs e)

pictureBox1.Click += new EventHandler(pictureBox_Click);
pictureBox2.Click += new EventHandler(pictureBox_Click);
pictureBox3.Click += new EventHandler(pictureBox_Click);

private void pictureBox_Click(object sender, EventArgs e)
{
    // Display file dialog, get the selected file name, and load the image into
    // the image variable.
    OpenFileDialog openDialog = new OpenFileDialog()
    ....
 
    Image image = Image.FromFile(openDialog.FileName);
 
    // Set the image of the picture box that was clicked
    ((PictureBox) sender).Image = image;
}

class Foo
{
}

class Bar
{
  Foo f;

  public Bar ShallowCopy()
  {
    Bar b = new Bar();
    b.f = this.f;
    return b;
  }

  public Bar DeepCopy()
  {
    Bar b = new Bar();
    b.f = f.DeepCopy();
    return b;
  }
}

public Bar ShallowCopy()
{
  return (Bar) MemberwiseClone();
}