public void UnDoAll()
{
while (_stack.Count > 0)
{
AbstractCommand cmd = _stack.Pop();
cmd.ReverseExecute();
}
}
public void Execute()
{
while (_queue.Count > 0)
{
AbstractCommand cmd = _queue.Dequeue();
cmd.Execute();
_stack.Push(cmd);
}
}
public void UndoLast()
{
AbstractCommand cmd = _stack.Pop();
cmd.ReverseExecute();
}
