Re: [DUG] Odd-ball question

Robert martin Tue, 15 Feb 2005 16:39:43 -0800

I'm sure there's still a way around that, but it might be harder.

Umm

How do you plan on preventing a user picking up a pen (or even pencil) and writing the 'Confidential' information out by hand? I assume that any user that has access to the mouse / keyboard would have the time to write out the information by hand.


Rob Martin
Software Engineer

phone +64 03 377 0495
fax   +64 03 377 0496
web www.chreos.com

Wild Software Ltd

Dave Jollie wrote:

Display the confidential info, then trap ANY mouse move or key press.
You'd have to get in front of these events (on before mouse move, on
before key press) and clear the confidential info (which could include a
comment at the end of it - "This message will self-destruct on any
keyboard or mouse activity". :-)
I'm sure there's still a way around that, but it might be harder.
Dave
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, 16 February 2005 1:07 p.m.
To: NZ Borland Developers Group - Delphi List
Subject: RE: [DUG] Odd-ball question
There are still tools such as SnagIt that can copy anything on the
screen as a bitmap, even the online e-Books, and I imagine you could
feed them through OCR to get the text.
Bob Osborn

Check out the keyboard hook facility in the Windows API, as you may be

able to disable the printscreen button (or any other key combination) while your app has focus.

I've seen it done by the people who have online e-Books, where you can

read the book onscreen, but not print or copy it in any way.
cheers
Gary
At 09:55 on 16/02/2005 you wrote

To : [email protected] CC : >From: John Bird, [EMAIL PROTECTED] Content Type: text/html Attached: > Is there a way to display confidential information on a screen in
such a way

that it can be seen but cannot be copied - eg via copy and paste.

For instance putting text in labels does not allow normal select

and copy,

but one can still do a printscreen and capture the screen as an

image.

The only way I have thought of is to put text in a pop-up hint, as

these

normally disappear when a key such as printscreen is pressed. It is

not
however that easy to put many lines of text in a hint.

Any suggestions?
John B
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Re: [DUG] Odd-ball question

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