Revit 2021 APICategorySet ClassMembers See Also A set that can contains Category objects.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.0.0.0)SyntaxC#public class CategorySet : APIObject, IEnumerableVisual BasicPublic Class CategorySet _ Inherits APIObject _ Implements IEnumerableVisual C++public ref class CategorySet : public APIObject, IEnumerableInheritance HierarchySystem..::..Object Autodesk.Revit.DB..::..APIObject Autodesk.Revit.DB..::..CategorySetSee AlsoCategorySet MembersAutodesk.Revit.DB Namespace