BoxKite.Twitter.TwitterConnection.GetSearchTimeLine_Failover C# (CSharp) Méthode

        private async Task<long> GetSearchTimeLine_Failover(long sinceid)
        {
            var largestseenid = sinceid;

            var searchtl = await TwitterSession.SearchFor(searchText: _currentSearchText, searchResponseType: SearchResultType.Recent, count: _pagingSize, sinceId: sinceid);
            if (!searchtl.OK) return largestseenid;

            foreach (var tweet in searchtl.Tweets.Where(tweet => tweet.Id > sinceid))
            {
                if (tweet.Id > sinceid) largestseenid = tweet.Id;
                _searchtimeline.OnNext(tweet);
            }
            return largestseenid;
        }