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Article #6385

Re: Disable CTRL+BREAK from a TP6 program

#6385
From: christopher hall
Date: Wed, 18 Nov 1992 20:22
26 lines
1817 bytes
>I am writing a TP6 program which requires the CTRL+BREAK sequence to be
>disabled, as it loads in data tables and manipulates them in real time.
>If CTRL+BREAK is pressed then the program bombs out and leaves the tables
>in a real mess.
>

I played around with this problem a few years ago.  The solution I came
up with was to hook the Ctrl-Break interrupt.  I don't remember what it
was (I think it was around 24h).  The only thing my interrupt was to do
was return immediately to its caller.  I used this when I had to write
a simple program for a teacher of mine (he wanted students to have to
enter a password without being able to break of out the program).

Hope this helps.

						Chris Hall :-)


/--------------------------------------------------------------------------\
|    Just because your paranoid doesn't mean someone is not after you...   |
|                                                                          |
|       |________          Chris Hall                                      |
| ||OOO||________>         hallch@handel.colostate.edu                     |
|       |                                                                  |
\__________________________________________________________________________/
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Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!decwrl!purdue!yuma!hallch
References: <1992Nov18.141829.813@bradford.ac.uk>

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Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!decwrl!purdue!yuma!hallch
From: hallch@CS.ColoState.EDU (christopher hall)
Subject: Re: Disable CTRL+BREAK from a TP6 program
Sender: news@yuma.ACNS.ColoState.EDU (News Account)
Message-ID: <Nov18.202206.59161@yuma.ACNS.ColoState.EDU>
Date: Wed, 18 Nov 1992 20:22:06 GMT
References: <1992Nov18.141829.813@bradford.ac.uk>
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