AreaCreatedSubscriber.cs

 public class AreaCreatedSubscriber : ISubscriber
    {
        public string Name
        {
            get { return "Create Default Queries"; }
        }

        public SubscriberPriority Priority
        {
            get { return SubscriberPriority.Normal; }
        }

        public EventNotificationStatus ProcessEvent(TeamFoundationRequestContext requestContext, NotificationType notificationType, object notificationEventArgs, out int statusCode, out string statusMessage, out Microsoft.TeamFoundation.Common.ExceptionPropertyCollection properties)
        {
            statusMessage = string.Empty;
            statusCode = 0;
            properties = null;

            try
            {               
                if (notificationType == NotificationType.Notification)
                {
                    var eventArgs = notificationEventArgs as StructureChangedNotification;
                    if (eventArgs != null)
                    {
                        ICommonStructureService commonStructureService = requestContext.GetService<CommonStructureService>();
                        var changedNodes = commonStructureService.GetChangedNodes(requestContext, eventArgs.SequenceId - 1);

                        XDocument xml = XDocument.Parse(changedNodes);
                        XElement changedNode = (from XElement n in xml.Descendants("StructureElement") select n).First();

                        if (changedNode.Attributes("Deleted").First().Value.ToString() == true.ToString())
                            return EventNotificationStatus.ActionPermitted;

                        string nodeId = changedNode.Attributes("Id").First().Value.ToString();
                        var node = commonStructureService.GetNode(requestContext, nodeId);

                        if (node.StructureType != StructureType.ProjectModelHierarchy)
                            return EventNotificationStatus.ActionPermitted;

                        var reader = XmlReader.Create(new StringReader("<AreaPath>" + node.Path + "</AreaPath>"));
                        var xmlData = new XmlDocument().ReadNode(reader);

                        // Handle the notification by queueing the information we need for a job
                        var jobService = requestContext.GetService<TeamFoundationJobService>();
                        jobService.QueueOneTimeJob(requestContext, "Create Default Queries", typeof(CreateDefaultQueriesJob).ToString(), xmlData, false);
                    }
                }
            }
            catch (Exception e)
            {
                statusMessage = e.Message;
            }

            return EventNotificationStatus.ActionPermitted;
        }

        public Type[] SubscribedTypes()
        {
            return new[] { typeof(StructureChangedNotification) };
        }
    }