/// <summary> /// Flips the direction of FromRoom/ToRoom for this door or window. /// </summary> /// <param name="familyInstance"></param> /// <returns></returns> public static Revit.Elements.FamilyInstance FlipFromToRoom(Revit.Elements.FamilyInstance familyInstance) { Autodesk.Revit.DB.FamilyInstance uwFi = familyInstance.InternalElement as Autodesk.Revit.DB.FamilyInstance; TransactionManager.Instance.EnsureInTransaction(DocumentManager.Instance.CurrentDBDocument); uwFi.FlipFromToRoom(); TransactionManager.Instance.TransactionTaskDone(); //DocumentManager.Instance.CurrentDBDocument.Regenerate(); return(familyInstance); }