Share Email Facebook Twitter LinkedIn GroupSet.Size Property Returns the number of groups that are in the set.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public virtual int Size { get; }Property ValueInt32 See AlsoReferenceGroupSet ClassAutodesk.Revit.DB Namespace