string str = String.Format(\"{0}o\", Keys.Alt);
            SendKeys.SendWait(\"k\");
            SendKeys.SendWait(\"n\");
            SendKeys.SendWait(\"\\t\");
            SendKeys.SendWait(\"AAAAA\");
           
            SendKeys.SendWait(str);
alt를 눌리게 할 방법 없을까