TFS events with WCF

using System;
using System.ServiceModel;
using Microsoft.TeamFoundation.Server;
using Microsoft.TeamFoundation.Client;
 
namespace TFSListener
{
	[ServiceContract(Namespace = "http://schemas.microsoft.com/TeamFoundation/2005/06/Services/Notification/03")]
	public interface ITFS
	{
		[OperationContract(Action = "http://schemas.microsoft.com/TeamFoundation/2005/06/Services/Notification/03/Notify", ReplyAction = "*")]
		[XmlSerializerFormat(Style = OperationFormatStyle.Document)]
		void Notify(string eventXml, string tfsIdentityXml);
	}
 
 
	public class TFSListener : ITFS
	{
		public void Notify(string eventXml, string tfsIdentityXml)
		{
			Console.WriteLine("Event XML:");
			Console.WriteLine(eventXml);
			Console.WriteLine("TFS Identity XML:");
			Console.WriteLine(tfsIdentityXml);
		}
	}
 
	class Program
	{
		static protected ServiceHost srvHost;
		static protected int subscriptionId;
 
		static void Main(string[] args)
		{
			Start(args[0]);
			Console.WriteLine("Hocked up to events from " + args[0]);
 
			Console.ReadKey();
			Stop(args[0]);
			Console.WriteLine("Unhocked");
 
		}
 
 
		protected static void Start(string tfsServerUrl)
		{
			Uri baseaddress = new Uri("http://" + System.Environment.MachineName + ":88");
			srvHost = new ServiceHost(typeof(TFSListener), baseaddress);
			srvHost.AddServiceEndpoint(typeof(ITFS), new BasicHttpBinding(), "EventSubscriber");
			srvHost.Open();
 
			TeamFoundationServer tfs = TeamFoundationServerFactory.GetServer(tfsServerUrl);
 
 
			subscriptionId = SubscribeToEvent(tfs, "Sogeti.Demo", "http://" + System.Environment.MachineName + ":88/EventSubscriber/", System.Environment.UserDomainName + "\\" + System.Environment.UserName);
 
 
 
 
		}
 
		protected static void Stop(string tfsServerUrl)
		{
			TeamFoundationServer tfs = TeamFoundationServerFactory.GetServer(tfsServerUrl);
			UnSubscribeToEvent(tfs, subscriptionId);
			srvHost.Close();
 
		}
 
		private static int SubscribeToEvent(TeamFoundationServer tfs, string teamProject, string serviceAdress, string user)
		{
			IEventService eventEndpoint = (IEventService)tfs.GetService(typeof(IEventService));
			DeliveryPreference delPrev = new DeliveryPreference();
			delPrev.Type = DeliveryType.Soap;
			delPrev.Schedule = DeliverySchedule.Immediate;
			delPrev.Address = serviceAdress;
 
			return eventEndpoint.SubscribeEvent(user, "WorkItemChangedEvent", "", delPrev);
		}
 
		private static void UnSubscribeToEvent(TeamFoundationServer tfs, int eventId)
		{
			IEventService eventEndpoint = (IEventService)tfs.GetService(typeof(IEventService));
			eventEndpoint.UnsubscribeEvent(eventId);
		}
 
	}
}
                                              

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