public void SaveExam(Exam exam, string filePath)
{
ExamSerializationService examSerializationService = ExamSerializationService.GetInstance();
byte[] data = examSerializationService.SerializeEncrypted(exam);
File.WriteAllText(filePath, string.Empty);
using (FileStream stream = File.OpenWrite(filePath))
{
stream.Write(data, 0, data.Length);
}
}
public Exam OpenExam(string filePath, string password)
{
Exam result = null;
if (Path.GetExtension(filePath) != ".smpx")
{
throw new ArgumentException("Invalid file extension");
}
using (FileStream stream = File.OpenRead(filePath))
{
byte[] data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
ExamSerializationService examSerializationService = ExamSerializationService.GetInstance();
result = examSerializationService.DeserializeEncrypted(data, password);
}
return(result);
}