private void Click_Edit(object sender, RoutedEventArgs e) { contact.DeleteContact(); MainWindow addContact = new MainWindow(contact); addContact.Show(); addContact.TextBoxNom.Text = contact.Nom; addContact.TextBoxPrenom.Text = contact.Prenom; addContact.TextBoxTel.Text = contact.Telephone; addContact.ListEmails.ItemsSource = contact.Emails; this.Close(); }