public void Run()
{
State s = new State();
s.A = "a";
Originator o = new Originator(s);
o.Show();
Mementor m = o.CraeteMementor();
CareTaker c = new CareTaker();
c.Add(m);
s.A = "b";
o.ChangeStatus(s);
o.Show();
Mementor tm = (Mementor)c.Restore();
o.SetState(tm);
o.Show();
}
public Mementor(State st)
{
this.state = (State)st.Clone();
}
public object Clone()
{
State state = new State();
state.A = a;
return state;
}
public void SetState(Mementor m)
{
this.state = m._State;
}
public void ChangeStatus(State s)
{
this.state = s;
}
public Originator(State st)
{
this.state = (State)st.Clone();
}