Key field in Relationship Table.
[Visual Basic .NET] Public ReadOnly Property KeyFieldInRelationshipTable As String
[C#] public string KeyFieldInRelationshipTable {get;}
[C++]
HRESULT get_KeyFieldInRelationshipTable(
BSTR* KeyField
);
[C++]Parameters
KeyField [out, retval] KeyField is a parameter of type BSTR
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.