KafkaNet.Consumer.SetOffsetPosition C# (CSharp) Method

        public void SetOffsetPosition(params OffsetPosition[] positions)
        {
            foreach (var position in positions)
            {
                var temp = position;
                _partitionOffsetIndex.AddOrUpdate(position.PartitionId, i => temp.Offset, (i, l) => temp.Offset);
            }
        }

        static void Main(string[] args)
        {
            try
            {
                _topic = ConfigurationManager.AppSettings["topic"];
                var brokers = from x in ConfigurationManager.AppSettings["kafkaBrokers"].Split(',')
                              select new Uri(x);
                Console.WriteLine("Connecting to kafka queue brokers {0} with topic {1}", string.Join(",", brokers), _topic);
                var options = new KafkaOptions(brokers.ToArray());
                var router = new BrokerRouter(options);
                var coption = new ConsumerOptions(_topic, router);
                _consumer = new KafkaNet.Consumer(coption);
                var offset = _consumer.GetTopicOffsetAsync(_topic, 1000000).Result;
                var t = from x in offset select new OffsetPosition(x.PartitionId, x.Offsets.Max());
                _consumer.SetOffsetPosition(t.ToArray());

                foreach (var message in _consumer.Consume())
                {
                    Console.WriteLine("Response: P{0},O{1} : {2}",
                    message.Meta.PartitionId, 
                    message.Meta.Offset,
                    System.Text.Encoding.Default.GetString(message.Value));
                }
            }
            catch(Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            Console.ReadLine();
        }