Number of classes.
[Visual Basic .NET] Public ReadOnly Property nClasses As Integer
[C#] public int nClasses {get;}
[C++]
HRESULT get_nClasses(
long* nClasses
);
[C++]Parameters
nClasses [out, retval] nClasses is a parameter of type long
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.