设计模式学习笔记--备忘录模式

namespace Memento
{
class Program
{
static void Main(string[] args)
{
Originator originator = new Originator();
originator.State = "On";
originator.Show();

Caretaker caretaker = new Caretaker();
caretaker.Memento = originator.CreateMemento();

originator.State = "Off";
originator.Show();

originator.SetMemento(caretaker.Memento);
originator.Show();
}
}
}