Microsoft.WindowsAzure.CAT.ServiceBusExplorer.ListenerControl.RefreshGraph C# (CSharp) Method

        private void RefreshGraph()
        {
            try
            {
                long max = 10;
                graph = checkBoxGraph.Checked;
                while (!cancellationTokenSource.IsCancellationRequested)
                {
                    long receiveMessageNumber = 0;
                    long receiveTotalTime = 0;
                    long sizeTotal = 0;
                    long cycles = 0;
                    while (receiveMessageNumber < max && cycles < max)
                    {
                        cycles++;
                        Tuple<long, long, long> tuple;
                        var ok = blockingCollection.TryTake(out tuple, 10);
                        if (!ok)
                        {
                            continue;
                        }
                        receiveMessageNumber += tuple.Item1;
                        receiveTotalTime += tuple.Item2;
                        sizeTotal += tuple.Item3;
                        if (receiveMessageNumber > max)
                        {
                            max = receiveMessageNumber;
                        }
                    }
                    if (receiveMessageNumber > 0)
                    {
                        var receiveTuple = new Tuple<long, long, long>(receiveMessageNumber, receiveTotalTime, sizeTotal);
                        if (InvokeRequired)
                        {
                            Invoke(new Action<long, long, long, bool>(InternalUpdateStatistics),
                                   new object[] { receiveTuple.Item1, 
                                                  receiveTuple.Item2, 
                                                  receiveTuple.Item3,
                                                  graph});
                        }
                        else
                        {
                            InternalUpdateStatistics(receiveTuple.Item1,
                                                     receiveTuple.Item2,
                                                     receiveTuple.Item3,
                                                     graph);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                HandleException(ex);
            }
        }