Global ID that uniquely identifies the attachment.
[Visual Basic .NET] Public ReadOnly Property GlobalID As String
[C#] public string GlobalID {get;}
[C++]
HRESULT get_GlobalID(
BSTR* GlobalID
);
[C++]Parameters
GlobalID [out, retval] GlobalID is a parameter of type BSTR
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.