IPP .NET DevKit v2 - QBD ItemQuery - ListIdSet

ItemQuery qbdItemQuery = new ItemQuery();
qbdItemQuery.Items = new object[] { new IdSet() { Id = new IdType[] { new IdType() { idDomain = idDomainEnum.NG, Value = "79841" } } } };
qbdItemQuery.ItemsElementName = new ItemsChoiceType4[] { ItemsChoiceType4.ListIdSet };
List<Item> ItemQueryResult = qbdItemQuery.ExecuteQuery<Item>(context).ToList<Item>();