private void button_Click(object sender, EventArgs e) { Button b = (Button)sender; Image img = cafe.GetClientWish(); pictureBox2.Visible = true; pictureBox3.Visible = true; if (b.BackgroundImage.Equals(img)) { cafe.Client.StateIncrement(); EndRound(cafe.EndClientCheck()); } else { cafe.Client.StateDecrement(); EndRound(cafe.EndClientCheck()); } ChangeLabels(b, img); }