private async void LoginStatusDialog(String login, String mdp) { String content; if (bdd.checkCredentials(login, mdp)) { content = "Vous êtes connecté"; } else { content = "Erreur de login"; } ContentDialog dialog = new ContentDialog { Title = "Exercice 2", Content = content, CloseButtonText = "OK" }; ContentDialogResult result = await dialog.ShowAsync(); }