|  | This document is archived and information here might be outdated. Recommended version. | 
Class key used for the relationship class (Undefined, ClassID or Class Code).
[Visual Basic .NET] Public Property ClassKey As esriRelClassKey
[C#] public esriRelClassKey ClassKey {get; set;}
[C++]
HRESULT get_ClassKey(
  esriRelClassKey* ClassKey
);
[C++]
HRESULT put_ClassKey(
  esriRelClassKey ClassKey
);
[C++] Parameters ClassKey [out, retval]
ClassKey is a parameter of type esriRelClassKey* ClassKey [in]
ClassKey is a parameter of type esriRelClassKey