private void cbIdent_MouseLeave(object sender, EventArgs e)
{
// If our tag is not null, make sure it actually is an image, then release the used memory and restore the
// original picture
if (this.MapForm.pictureBox1.Tag != null && this.MapForm.pictureBox1.Tag is Image)
{
this.MapForm.pictureBox1.Image.Dispose();
this.MapForm.pictureBox1.Image = (Image)this.MapForm.pictureBox1.Tag;
this.MapForm.pictureBox1.Tag = null;
}
}