public void MainWindow_Closing(object sender, CancelEventArgs e) { MessageBoxResult R = MessageBoxResult.No; if (Bdd2.DoitEtreEnregistre) { R = MessageBox.Show("Voulez vous enregistrer la base ?", "Info", MessageBoxButton.YesNo); } if (R == MessageBoxResult.Yes) { Bdd2.Enregistrer(); } Bdd2.Deconnecter(); WindowParam.SauverParametre(this); }