public FrmAutrePayement() { InitializeComponent(); try { translate(); } catch (Exception ex) { Message.ShowError(ex, Langue.errorTitle); } CaisseServiceClient service = new CaisseServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Caisse")); service.RetourneListeDeCoperODCompleted += new EventHandler <RetourneListeDeCoperODCompletedEventArgs>(ChargerListCoperParDc); service.RetourneListeDeCoperODAsync(); this.txt_Matricule.IsEnabled = false; }