>My drawer is automatically open when I print to the printer (POS printer) which is attached to the drawer.
>How can I disable all keyboard keys while the drawer is open ?
>
>Any kind of help will be highly appreciated,
>Regards,
>Andi Hidajat
>pkshq@cbn.net.id

Andi,

If there is no two way communication with the drawer, you won't be able to tell if it is open. Use Tony's idea, you can display a windows and eat all the keystrokes until the users presses a key (like ENTER) to indicate that the drawer is closed.

I know, not a slick solution.