public void LongKeyIsValid(ref byte longKey, ref byte shortKey, byte defLongKey) { if (Class15.smethod_12(longKey, ButtonForm.MIN_KEY, ButtonForm.MAX_KEY)) { if (longKey == 2) { shortKey = 3; } else if (longKey == 3) { shortKey = 2; } } else { longKey = defLongKey; } }