Share Email Facebook Twitter LinkedIn MullionTypeSet.Size Property Returns the number of mullion types 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 AlsoReferenceMullionTypeSet ClassAutodesk.Revit.DB Namespace