private void btncheckresult_Click(object sender, EventArgs e) { try { int gs1, gs2, gs3, gs4; gs1 = Convert.ToInt32(tbgs1.Text); gs2 = Convert.ToInt32(tbgs2.Text); gs3 = Convert.ToInt32(tbgs3.Text); gs4 = Convert.ToInt32(tbgs4.Text); int[] guess = new[] { gs1, gs2, gs3, gs4 }; bool result = mySecretCombi.guess(guess, out int score1, out int score2, ref credits); if (result) { MessageBox.Show("You Win My HOmie! Your credits are: " + credits); } listBox1.Items.Add(string.Join(",", guess) + ": Score-1: " + score1 + " Score-2: " + score2 + " Your credits are: " + credits); } catch (Exception exception) { MessageBox.Show(exception.Message); throw; } }