Add way id's to an OsmSharp stream

gistfile1.txt

            // add way_id.
            var eventsFilter = new OsmSharp.Streams.Filters.OsmStreamFilterDelegate();
            eventsFilter.MoveToNextEvent += (OsmSharp.OsmGeo osmGeo, object param) =>
            {
                if (osmGeo.Type == OsmSharp.OsmGeoType.Way)
                {
                    osmGeo.Tags.Add("way_id", osmGeo.Id.ToString());
                }
                return osmGeo;
            };
            eventsFilter.RegisterSource(progress);