// Create a memento and store it. public void Backup() { _mementoes.Add(_originator.Save()); }
public void TypeNewLine(string line) { originator.AppendLine(line); history.Add(originator.Save()); }
// Create a memento and store it. public void Backup() { _mementoes.Add(_originator.Save()); }
public void TypeNewLine(string line) { originator.AppendLine(line); history.Add(originator.Save()); }