void ChargerCampagne(int Regroupement)
        {
            Galatee.Silverlight.ServiceRecouvrement.RecouvrementServiceClient service = new Galatee.Silverlight.ServiceRecouvrement.RecouvrementServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Recouvrement"));
            service.ChargerCampagneCompleted += (s, args) =>
            {
                if (args != null && args.Cancelled)
                {
                    return;
                }
                List <CsCampagneGc> lstCampagne = args.Result;
                this.Cbo_Campagne.ItemsSource       = null;
                this.Cbo_Campagne.DisplayMemberPath = "NUMEROCAMPAGNE";
                this.Cbo_Campagne.ItemsSource       = lstCampagne;


                return;
            };
            service.ChargerCampagneAsync(Regroupement);
        }