The group classes.
[Visual Basic .NET] Public ReadOnly Property Classes As IArray
[C#] public IArray Classes {get;}
[C++]
HRESULT get_Classes(
IArray** tocClasses
);
[C++]Parameters
tocClasses [out, retval]tocClasses is a parameter of type IArray
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.