public static void RunMemento()
{
BehaviouralPatterns.Memento.Originator originator = new BehaviouralPatterns.Memento.Originator("Super-duper-super-puper-super.");
BehaviouralPatterns.Memento.Caretaker caretaker = new BehaviouralPatterns.Memento.Caretaker(originator);
caretaker.backup();
originator.doSomething();
caretaker.backup();
originator.doSomething();
caretaker.backup();
originator.doSomething();
Console.WriteLine();
caretaker.showHistory();
Console.Write("\nClient: Now, let's rollback!\n\n");
caretaker.undo();
Console.Write("\n\nClient: Once more!\n\n");
caretaker.undo();
Console.WriteLine();
Console.ReadKey();
}
public Caretaker(Originator originator)
{
this.originator = originator;
}