コード例 #1
0
    //Instance Method
    public void Start(/* ConsoleUI this = referance of object */)
    {
        //1. Get one question and display it in the user
        BusinessLogicLayer bll = new BusinessLogicLayer();

        // bll is a referance variable that holds referance of object
        // the object is created in heap
        //bll is created on stack
        while (true)
        {
            Question question = bll.GetNextQuestion(); // get one question at a time
            if (question == null)
            {
                break;
            }
            else
            {
                System.Console.Clear();
                System.Console.ForegroundColor = System.ConsoleColor.Blue;
                System.Console.WriteLine(question.Statement);
                System.Console.WriteLine($"1: {question.Option1}");
                System.Console.WriteLine($"2: {question.Option2}");
                System.Console.WriteLine($"3: {question.Option3}");
                System.Console.WriteLine($"1: {question.Option1}");
                System.Console.WriteLine($"Marks: {question.Marks}");

                System.Console.ForegroundColor = System.ConsoleColor.Yellow;
                System.Console.Write("Select an Option : ");
                int option = System.Convert.ToInt32(System.Console.ReadLine());

                bll.CalculateMarks(option);
            }
        } // while ends


        if (bll.Results.Count > 0)
        {
            for (int i = 0; i < bll.Results.Count; i++)
            {
                Console.WriteLine(bll.Results[i].Question.Statement);

                string CorrectOptionText = " ";
                switch (bll.Results[i].Question.CorrectAnswer)
                {
                case 1:
                    CorrectOptionText = bll.Results[i].Question.Option1;
                    break;

                case 2:
                    CorrectOptionText = bll.Results[i].Question.Option2;
                    break;

                case 3:
                    CorrectOptionText = bll.Results[i].Question.Option3;
                    break;

                case 4:
                    CorrectOptionText = bll.Results[i].Question.Option4;
                    break;
                }

                string WrongOptionText = " ";
                switch (bll.Results[i].Wronganswwer)
                {
                case 1:
                    WrongOptionText = bll.Results[i].Question.Option1;
                    break;

                case 2:
                    WrongOptionText = bll.Results[i].Question.Option2;
                    break;

                case 3:
                    WrongOptionText = bll.Results[i].Question.Option3;
                    break;

                case 4:
                    WrongOptionText = bll.Results[i].Question.Option4;
                    break;
                }
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine($"User Option is : {WrongOptionText}");
                Console.ForegroundColor = ConsoleColor.White;
                Console.WriteLine($"Correct Answer is : {CorrectOptionText}");
            }

            Console.Clear();
            Console.ForegroundColor = ConsoleColor.White;
            Console.WriteLine($"You Obtained {bll.Usermarks} out of {bll.TotalMarks}");
        }
    }