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

        void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            // Initialize property grid
            var propertyList = new List<string[]>();
            if (entityDescription is QueueDescription)
            {
                var queueDescription = entityDescription as QueueDescription;
                queueDescription = serviceBusHelper.GetQueue(queueDescription.Path);
                entityDescription = queueDescription;
                propertyList.AddRange(new[]
                    {
                        new[] {ActiveMessageCount, queueDescription.MessageCountDetails.ActiveMessageCount.ToString(CultureInfo.CurrentCulture)},
                        new[] {DeadletterCount, queueDescription.MessageCountDetails.DeadLetterMessageCount.ToString(CultureInfo.CurrentCulture)},
                        new[] {ScheduledMessageCount, queueDescription.MessageCountDetails.ScheduledMessageCount.ToString(CultureInfo.CurrentCulture)},
                        new[] {TransferMessageCount, queueDescription.MessageCountDetails.TransferMessageCount.ToString(CultureInfo.CurrentCulture)},
                        new[] {TransferDeadLetterMessageCount, queueDescription.MessageCountDetails.TransferDeadLetterMessageCount.ToString(CultureInfo.CurrentCulture)},
                        new[] {MessageCount, queueDescription.MessageCount.ToString(CultureInfo.CurrentCulture)}
                    });
            }
            if (entityDescription is SubscriptionDescription)
            {
                var subscriptionDescription = entityDescription as SubscriptionDescription;
                subscriptionDescription = serviceBusHelper.GetSubscription(subscriptionDescription.TopicPath, subscriptionDescription.Name);
                entityDescription = subscriptionDescription;
                propertyList.AddRange(new[]{new[]{ActiveMessageCount, subscriptionDescription.MessageCountDetails.ActiveMessageCount.ToString(CultureInfo.CurrentCulture)},
                                            new[]{ScheduledMessageCount, subscriptionDescription.MessageCountDetails.ScheduledMessageCount.ToString(CultureInfo.CurrentCulture)},
                                            new[]{TransferMessageCount, subscriptionDescription.MessageCountDetails.TransferMessageCount.ToString(CultureInfo.CurrentCulture)},
                                            new[]{TransferDeadLetterMessageCount, subscriptionDescription.MessageCountDetails.TransferDeadLetterMessageCount.ToString(CultureInfo.CurrentCulture)},
                                            new[]{MessageCount, subscriptionDescription.MessageCount.ToString(CultureInfo.CurrentCulture)}});
            }

            if (InvokeRequired)
            {
                Invoke(new Action(() =>
                {
                    lock (this)
                    {
                        if (stopping)
                        {
                            return;
                        }
                        propertyListView.Items.Clear();
                        foreach (var array in propertyList)
                        {
                            propertyListView.Items.Add(new ListViewItem(array));
                        }
                    }
                }));
            }
            else
            {
                lock (this)
                {
                    if (stopping)
                    {
                        return;
                    }
                    propertyListView.Items.Clear();
                    foreach (var array in propertyList)
                    {
                        propertyListView.Items.Add(new ListViewItem(array));
                    }
                }
            }
        }