The ExtendedDN enumeration specifies the format in which to return the extended distinguished name. This enumeration is used with the DirectorySearcher.ExtendedDN property.
Namespace: System.DirectoryServices Assembly: System.DirectoryServices (in system.directoryservices.dll)
The extended form of a distinguished name includes a string representation of the objectGUID property of an object. For security principal objects such as users, groups, and computers, the extended form also includes a string representation of the objectSID property. For more information about the objectGUID and objectSID properties, see the topics Object-Guid and Object-Sid in the MSDN Library at http://msdn.microsoft.com/library.