It's not at all strange, what you need to write is a TSR!
TSR's (Terminate Stay Resident) are odd things to write, you CAN write them
in Turbo Pascal, you will probably need to know some assembler, and they CAN
spy on keyboard activity.
For example, I have a pair of programs which (as server and client) allow
remote control of a dos pc over a NETBIOS network. The server program
(which is the TSR) uses 4129 bytes of memory when installed, and 4096 of
that is screen buffers for optimizing network traffic. The pair together
even allow synchronizing Caps Lock, Num Lock etc.......
----- Original Message -----
From: Joel van Velden <[EMAIL PROTECTED]>
To: Multiple recipients of list offtopic <[EMAIL PROTECTED]>
Sent: Wednesday, June 28, 2000 5:59 PM
Subject: [DUG-OFFTOPIC]: Ye Olde Pascal
> Hi there, I know that this may sound very strange:
>
> Using native Pascal (not Delphi) for compiling under DOS, how would I go
> about the following:
>
> o Making a program sit in the background invisible to the end-user (eg.
Like
> an old dos screensaver);
>
> o Capturing all entered keyboard presses without interfering with the
> program that was meant to receive them. (I guess you could call it
> intercepting)
>
> Thanks.
> -Joel
>
> PS: Please don't tell me how to do this under windows. It has to work in
> true dos mode, without windows installed.
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