public void grade()
{
Result = "";
Incorrect = 0;
Correct = 0;
Wrong.Clear();
string[] exam = new string[] { "B", "D", "A", "A", "C", "A", "B", "A", "C", "D", "B", "C", "D", "A", "D", "C", "C", "B", "D", "A" };
if (input == "")
{
Result = "You should input right files!";
return;
}
string text = File.ReadAllText(input);
string[] answer = text.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < exam.Length; i++)
{
string student_ans = answer[i];
string exam_ans = exam[i];
if (student_ans == exam_ans)
{
Correct++;
}
else
{
Incorrect++;
Answer ans = new Answer();
ans.select = exam_ans;
int j = i + 1;
ans.number = j.ToString();
Wrong.Add(ans);
}
}
if (Correct >= 15)
{
Result = "Congratulation! You are PASS!";
}
else
{
Result = "Sorry! You are FAIL!";
}
}
private void AddWrongAnswers_Executed(object arg)
{
QDocument.ActivatedObject = Wrong;
Wrong.Add("");
}