public void Save(SurveyState state)
{
FileStream stream = new FileStream(fileName, FileMode.Create);
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(stream, state);
stream.Close();
}
public void RestoreSnapshot(SurveySnapshot snapshot)
{
this.state = snapshot.Restore();
}
public Survey(SurveyState state)
{
this.state = state;
}