//method clear all list boxes ansd labels
public void ClearAllText()
{
CorrectAnswerData.Clear();
StudentAnswerData.Clear();
IncorrectAnswerData.Clear();
Result = "";
CorrectMarks = "";
IncorrectMarks = "";
LabelColor = new SolidColorBrush(Color.FromArgb(255, 255, 255, 255));
}
//method Compare two sets of question from saved files and show result
public void Compare()
{
if (selectedFileName == "")
{
MessageBox.Show("Please Select a sample file");
return;
}
else
{
string[] correctAnswerDataArray = File.ReadAllLines("correctAnswer.txt");
string[] studentAnswerDataArray = File.ReadAllLines(selectedFileName);
int correctcount = 0;
int incorrectcount = 0;
for (int i = 0; i < correctAnswerDataArray.Length; i++)
{
CorrectAnswerData.Add(correctAnswerDataArray[i]);
StudentAnswerData.Add(studentAnswerDataArray[i]);
if (correctAnswerDataArray[i] == studentAnswerDataArray[i])
{
correctcount++;
}
else
{
incorrectcount++;
string[] spliteElementArray = studentAnswerDataArray[i].Split('.');
IncorrectAnswerData.Add(spliteElementArray[0]);
}
}
if (correctcount < PASSING_MARK)
{
Result = $"Sorry you didn't pass the exam.";
LabelColor = new SolidColorBrush(Color.FromArgb(255, 255, 0, 0));
}
else
{
Result = $"Congratulations!! You have passed the exam.";
LabelColor = new SolidColorBrush(Color.FromArgb(255, 0, 255, 0));
}
CorrectMarks = $"Total number of correct answers= {correctcount}";
IncorrectMarks = $"Total number of incorrect answers= {incorrectcount}";
}
}
