private void ChargeListeUser() { try { //Lancer la transaction de Mise à jour en base Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient service1 = new Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Accueil")); service1.RetourneListeAllUserCompleted += (sr, res) => { if (res != null && res.Cancelled) { return; } lstAllUser = res.Result; }; service1.RetourneListeAllUserAsync(); service1.CloseAsync(); } catch (Exception ex) { throw ex; } }