protected override void LoadQuestion(System.IO.Stream stream)
{
this.a = (int)QuestionData.ReadValue(stream);
this.b = (int)QuestionData.ReadValue(stream);
this.op = (Operator)QuestionData.ReadValue(stream);
this.c = (int)QuestionData.ReadValue(stream);
string resultText = QuestionData.ReadText(stream);
if (resultText == "{NULL}")
{
this.result = null;
}
else
{
this.result = Convert.ToInt32(resultText);
}
string isCorrectText = QuestionData.ReadText(stream);
if (isCorrectText == "{NULL}")
{
this.IsCorrect = null;
}
else
{
this.IsCorrect = Convert.ToBoolean(isCorrectText);
}
}
public static Question Load(Stream stream)
{
Question question = null;
int type = (int)QuestionData.ReadValue(stream);
if (type == Question_a_b_c.type)
{
question = new Question_a_b_c();
}
question.LoadQuestion(stream);
return(question);
}