/// <summary>
/// Returns an enumerator to use to iterate through the namespaces in the <see cref="T:System.Xml.XmlNamespaceManager"/>.
/// </summary>
/// <returns>
/// An <see cref="T:System.Collections.IEnumerator"/> containing the prefixes stored by the <see cref="T:System.Xml.XmlNamespaceManager"/>.
/// </returns>
public override IEnumerator GetEnumerator()
{
return(_baseContext.GetEnumerator());
}