using System;

 using System.Windows.Forms;

 using System.Collections;

 using System.ServiceModel;

 using System.Collections.Generic;

 using System.Linq;

 using System.Diagnostics;

 using SharpDisplay;

 namespace SharpDisplay

 {

     /// <summary>

     /// Implement our display services.

     /// Each client connection has such a session object server side.

     /// </summary>

     [ServiceBehavior(   

                         ConcurrencyMode = ConcurrencyMode.Multiple,

                         InstanceContextMode = InstanceContextMode.PerSession                       

                     )]

     class Session : IService, IDisposable

     {

         public string SessionId { get; set; }

         public string Name { get; set; }

         Session()

         {

             Trace.TraceInformation("Server session opening.");

             //First save our session ID. It will be needed in Dispose cause our OperationContxt won't be available then.

             SessionId = OperationContext.Current.SessionId;

             ICallback callback = OperationContext.Current.GetCallbackChannel<ICallback>();

             //

             SharpDisplayManager.Program.iMainForm.AddClientThreadSafe(SessionId,callback);

         }

         public void Dispose()

         {

             Trace.TraceInformation("Server session closing.");

             SharpDisplayManager.Program.iMainForm.RemoveClientThreadSafe(SessionId);

         }

         //From IDisplayService

         public void SetTexts(System.Collections.Generic.IList<TextField> aTextFields)

         {

             SharpDisplayManager.Program.iMainForm.SetTextsThreadSafe(SessionId, aTextFields);

         }

         //

         public void SetText(TextField aTextField)

         {

             SharpDisplayManager.Program.iMainForm.SetTextThreadSafe(SessionId, aTextField);

         }

         //

         public void SetName(string aClientName)

         {

             Name = aClientName;

             SharpDisplayManager.Program.iMainForm.SetClientNameThreadSafe(SessionId, Name);

             //Disconnect(aClientName);

             //Register our client and its callback interface

             //IDisplayServiceCallback callback = OperationContext.Current.GetCallbackChannel<IDisplayServiceCallback>();

             //Program.iMainForm.iClients.Add(aClientName, callback);

             //Program.iMainForm.treeViewClients.Nodes.Add(aClientName, aClientName);

             //For some reason MP still hangs on that one

             //callback.OnConnected();

         }

         ///

         public int ClientCount()

         {

             return SharpDisplayManager.Program.iMainForm.iClients.Count;

         }

     }

 }