static void Main(string[] args)
{
Originator o = new Originator();
o.State = "On";
Caretaker c = new Caretaker();
c.Memento = o.CreateMemento();
o.State = "Off";
o.SetMemento(c.Memento);
}
static void Main(string[] args)
{
Caretaker caretaker = new Caretaker();
Originator originator = new Originator(caretaker);
originator.SetState("state1");
originator.CreateMemento();
Console.WriteLine("CurrentState: " + originator.GetState());
originator.SetState("state2");
originator.CreateMemento();
Console.WriteLine("CurrentState: " + originator.GetState());
originator.SetMemento(caretaker.GetPreviousMemento());
Console.WriteLine("RolledBackState: " + originator.GetState());
}
static void Main(string[] args)
{
Originator o = new Originator();
o.State = "On";
// Store internal state
Caretaker c = new Caretaker();
c.Memento = o.CreateMemento();
// Continue changing originator
o.State = "Off";
// Restore saved state
o.SetMemento(c.Memento);
// Wait for user
Console.ReadKey();
}