public void Undo(int level)
{
Console.WriteLine("\n---- Undo {0} levels ", level);
// Perform undo operations
for (int i = 0; i < level; i++)
{
if (_currentLevel > 0)
{
Behavioral.Command.AbstractCommand.Command command = _commandsRepository[--_currentLevel] as Behavioral.Command.AbstractCommand.Command;
command.UnExecute();
}
}
}
public void Redo(int level)
{
Console.WriteLine("\n---- Redo {0} levels ", level);
// Perform redo operations
for (int i = 0; i < level; i++)
{
if (_currentLevel < _commandsRepository.Count - 1)
{
Behavioral.Command.AbstractCommand.Command command = _commandsRepository[_currentLevel++];
command.Execute();
}
}
}