private void ChargerListeGestionnaire() { ListeGestionnaire = new List <Galatee.Silverlight.ServiceReport.CsUtilisateur>(); Galatee.Silverlight.ServiceReport.ReportServiceClient service1 = new Galatee.Silverlight.ServiceReport.ReportServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Report")); service1.RetourneGestionnaireCompleted += (sr, res) => { if (res != null && res.Cancelled) { return; } if (res.Result != null && res.Result.Count != 0) { ListeGestionnaire = res.Result; } else { Message.ShowInformation("Aucune information trouvée", "Report"); return; } }; service1.RetourneGestionnaireAsync(); service1.CloseAsync(); }