Share Email Facebook Twitter LinkedIn SpaceSet.Clear Method Removes every item from the set, rendering it empty.Namespace: Autodesk.Revit.DB.MechanicalAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public virtual void Clear() See AlsoReferenceSpaceSet ClassAutodesk.Revit.DB.Mechanical Namespace