private Result Test01() { Element selElement; try { Reference eRef = AppRibbon.Uidoc.Selection.PickObject(ObjectType.Element, "Please pick an element."); if (eRef != null && eRef.ElementId != ElementId.InvalidElementId) { selElement = AppRibbon.Doc.GetElement(eRef); RsMgr.SetElement(selElement); RsMgr.Init(); RsMgr.Save(); } } catch (OperationCanceledException) { return(Result.Failed); } return(Result.Succeeded); }