For the record, in the Windows Hook implementations that I have found Acrobat does not happily send me anything at all!: I grab it myself in a demonstration of rather nasty and rude behavior. :-)
The function bellow is called every single time the user presses any key. In fact, when Acrobat starts with no document, if the user presses Control-O in order to open some initial file, MY Keyboard Hook is executed.
I placed the function Register4Keystroke() function at the bottom of the my plugin's initialization:
