private void modifierToolStripMenuItem_Click(object sender, EventArgs e) { if (lvart.SelectedIndices.Count == 1) { String no_cmd = lvart.Items[lvart.SelectedIndices[0]].Text; Article art = new Article(); art.RechercheArticle(no_cmd); FajouteArticle modif = new FajouteArticle(art, true); DialogResult res = modif.ShowDialog(); if (res == DialogResult.OK) { try { art.modifierArticle(); AfficherListe(); } catch (MonException excep) { MessageBox.Show(excep.MessageSysteme(), "Erreur de modification"); } } } }