void PreviousButtonClicked(object sender, EventArgs e)
{
if (op1.Checked)
{
tl.CalculateUserMarks(1);
}
else if (op2.Checked)
{
tl.CalculateUserMarks(2);
}
else if (op3.Checked)
{
tl.CalculateUserMarks(3);
}
else if (op4.Checked)
{
tl.CalculateUserMarks(4);
}
Question question = tl.GetPreviousQuestion();
if (question != null)
{
DisplayQuestion(question);
}
}
public void StartTest()
{
TestLogic tl = new TestLogic();
while (true)
{
Question question = tl.GetNextQuestion();
if (question == null)
{
break; // test is over
}
// Display one question at a time
Console.Clear();
Console.WriteLine(question.Statement);
Console.WriteLine("1: " + question.Op1);
Console.WriteLine("2: " + question.Op2);
Console.WriteLine("3: " + question.Op3);
Console.WriteLine("4: " + question.Op4);
// take the user's choice
Console.Write("Select an option: ");
int choice = Convert.ToInt32(Console.ReadLine());
tl.CalculateUserMarks(choice);
}
// finally display usermarks out of total marks
Console.Clear();
Console.WriteLine("You obtained {0} out of {1}", tl.GetUserMarks(), tl.GetTotalMarks());
}