Remote control not working with _IsPressed(...) and _IsPressed(...) ....

Hello.
i have a Remote control in the Remote control i have a button that Equal to the key combination:
ctrl + alt + -

so this is what i did:

if _IsPressed(11, $hDLL) and _IsPressed(12, $hDLL) and _IsPressed(BD, $hDLL) then
<Do something>
endif


the code is working when i pres ctrl + alt + -.
but when i pres on that button in the Remote control so it is not working..

what i did worng?