public virtual void Back()
{
if (BackLock)
{
return;
}
var BackState = this.BackState;
this.BackState.NextState = null;
this.BackState = null;
BackState.Focuse();
}
public void Next(State NextState)
{
if (NextLock)
{
return;
}
this.NextState = NextState;
NextState.BackState = this;
while (NextState.NextState != null)
{
NextState = NextState.NextState;
}
NextState.Focuse();
}
public void Replace(State ReplaceState)
{
if (NextLock)
{
return;
}
BackState.NextState = ReplaceState;
ReplaceState.BackState = BackState;
while (ReplaceState.NextState != null)
{
ReplaceState = ReplaceState.NextState;
}
ReplaceState.Focuse();
}