public void CheckRight() { CardMatcher matcher = new CardMatcher(); Card card = Items[2].Model.CardDetails; SystemCard system = OtherItems[0].Model.SystemCardDetails; if (matcher.CheckForMatch(card, system)) { CorrectAnswer = true; Model.PassFailImage = $"pack://application:,,,/Window;component/Images/Checkmark.png"; } else { Model.PassFailImage = "pack://application:,,,/Window;component/Images/Red X.png"; } }