🚀 go-pugleaf

Keith Bennett (kbennett@cpcug.org) wrote:
: I am working on a turnkey system using OS/2 as the underlying operating
: system.  The programs in the application are PM programs.

: Is there any way to trap the Ctrl-Alt-Del key sequence?  This is very
: important as many of the users are coming from DOS and don't understand
: that it's not OK to reboot this way.

  Yes.  Try DosDevIOCtl category 4 function 56H with key id 0xFFFF.  This
also will disable CTRL-ESC and ALT-ESC in full screen sessions.  It should
disable them under PM, but OS/2 works in mysterious ways.  This may not
be acceptable.  (If you have any full screen sessions, they must provide
some way to get back to PM!)

: Also, is there any way to trap the NumLock key?

  You should be able to catch it in an application through the WM_CHAR 
message.  You may be able to catch it system wide using hook procedures.
Good luck.