/***************************************************/ public static IEnumerable <ElementId> ElementIds(this FilterByActiveWorkset request, Document document, IEnumerable <ElementId> ids = null) { if (document.IsLinked) { BH.Engine.Reflection.Compute.RecordError("It is not allowed to combine active workset requests with link requests."); return(null); } return(document.ElementIdsByWorksets(new List <WorksetId> { document.ActiveWorksetId() }, ids)); }