Bowling.Frame.CalculateScore C# (CSharp) Метод

        protected virtual int CalculateScore()
        {
            if (IsStrike() && SecondTry != 0)
            {
                throw new ArgumentOutOfRangeException(nameof(SecondTry),
                    "Second try should not be play when it's strike.");
            }
            return FirstTry + SecondTry + Bonus();
        }

        private static void DisplayFrameContent(Frame frame)
        {
            string intermediateNewLine = $"{Environment.NewLine}\t";
            var    message             = new StringBuilder();

            message.Append($"* Frame n°{frame.FrameNumber}");
            message.Append(intermediateNewLine);
            message.Append($"Intermediate score:\t{ frame.CalculateScore()}");
            message.Append(intermediateNewLine);
            message.Append($"Is strike:\t{ frame.IsStrike}");
            message.Append(intermediateNewLine);
            message.Append($"Is spare:\t{frame.IsSpare}");
            message.Append(intermediateNewLine);
            message.Append($"First launch:\t{frame.FirstLaunch}");
            message.Append(intermediateNewLine);
            message.Append($"Second launch:\t{frame.SecondLaunch}");
            Console.WriteLine(message.ToString());
        }