private void OKButton_Click(object sender, RoutedEventArgs e) { Galatee.Silverlight.ServiceReport.ReportServiceClient service = new Galatee.Silverlight.ServiceReport.ReportServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Report")); service.ReturneFichierPersonnelCompleted += (s, args) => { if (args != null && args.Cancelled) { return; } Message.ShowInformation("Traitement ok", "Fichier personnel"); }; service.ReturneFichierPersonnelAsync(Shared.ClasseMEthodeGenerique.FormatPeriodeAAAAMM(this.txt_Periode.Text), SessionObject.CheminImpression); service.CloseAsync(); }