/// <summary>
/// Toes the XML representation of node with the all its chils.
/// </summary>
/// <param name="doc">The parent XML document </param>
/// <returns>The XML Node.</returns>
public virtual XmlNode ToXml(XmlDocument doc)
{
XmlElement result = doc.CreateElement(ToString());
XmlAttribute attr = doc.CreateAttribute("region");
attr.Value = region.ToString();
result.Attributes.Append(attr);
return(result);
}
