BuildingCoder.CmdCollectorPerformance.GetSortedLevels C# (CSharp) Метод

        IOrderedEnumerable<Level> GetSortedLevels( Document doc )
        {
            return new FilteredElementCollector( doc )
            .OfClass( typeof( Level ) )
            .Cast<Level>()
            .OrderBy( lev => lev.Elevation );
        }