Create a Global Unique Identifier.
[Visual Basic .NET] Public Function CreateGUID ( _ ) As String
[C#] public string CreateGUID ( );
[C++]
HRESULT CreateGUID(
BSTR* GUID
);
[C++]Parameters
GUID [out, retval] GUID is a parameter of type BSTR
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.