private void buttonAsk_Click(object sender, EventArgs e) { textProgress.Text = ""; if (listHand.SelectedIndex < 0) { MessageBox.Show("Please select a card!", "Please select a card"); return; } if (game.PlayOneRound(listHand.SelectedIndex)) { textProgress.Text += "The winner is ... " + game.GetWinnerGame(); textBooks.Text = game.DiscribeBooks(); buttonAsk.Enabled = false; } else { UpdateForm(); } }