public void execute(AbstractCommand command)
{
if (command.undoable())
{
undo_commands.Push(command);
}
command.execute();
}
public void redo()
{
if (redo_commands.Count == 0)
{
System.Console.WriteLine("No command exist for redo");
return;
}
AbstractCommand cmd = redo_commands.Pop();
undo_commands.Push(cmd);
cmd.redo();
}