This is a reiteration on the following topic:
Can keyboard events be captured by our plugins? http://forums.adobe.com/thread/1441095
After further research, I gather that I would need to use a "Windows Hook" and my plugin may or may not require another DLL to implement the keystroke handler.
Apparently, a Message Loop is needed as well:
http://www.unknowncheats.me/forum/c-and-c/83707-setwindowshookex-examp le.html
The folks over at the Microsoft Forum had some observations:
TIA
-Ramon