private void RemplirCodeRegroupement()
 {
     try
     {
         if (SessionObject.LstCodeRegroupement.Count != 0)
         {
             return;
         }
         else
         {
             Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient service = new Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Accueil"));
             service.RetourneCodeRegroupementCompleted += (s, args) =>
             {
                 if (args != null && args.Cancelled)
                 {
                     return;
                 }
                 SessionObject.LstCodeRegroupement = args.Result;
             };
             service.RetourneCodeRegroupementAsync();
             service.CloseAsync();
         }
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }