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An additional step - make the text visible only on mouse enter and
timer it to invisible after x seconds<br>
<pre class="moz-signature" cols="100">Regards
Paul McKenzie
SMSS Ltd.
Wellington
New Zealand
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<br>
<br>
John Bird wrote:
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<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005">Re preventing someone copying text from a
confidential screen:</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005">The best I have thought to do so far is
clobber the clipboard in a timer every 1/2 second.</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005">procedure Tfrm<span
class="709365119-16022005">Form1</span>.Timer1Timer(Sender: TObject);<br>
begin<br>
clipboard.SetTextBuf('<span class="709365119-16022005">The clipboard
is empty</span>');<br>
<font color="#0000ff" face="Arial" size="2">end;<br>
</font></span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005"><font color="#0000ff" face="Arial" size="2">
<div><span class="709365119-16022005"><font color="#0000ff"
face="Arial" size="2">Question about this - if the clipboard already
had a screen image in it, does putting text in it make the previous
bitmap inaccessable?</font></span></div>
<div> </div>
</font></span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005">I realise that for a techo user there
are always ways to capture information with special programs, I am just
trying to cater for usual methods with typical users who would use the
clipboard.</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="709365119-16022005">I guess I could require the user to close
all other programs, which would eliminate other monitoring programs,
but I am not sure how to check between task bar programs (which they
would be happy to close) and those in the system tray (such as virus
checkers which they may not want to).</span></font></div>
<div> </div>
<div class="Section1">
<p class="MsoAutoSig" align="left">John B</p>
<p class="MsoAutoSig"><font color="#0000ff" face="Arial" size="2"><span
style="font-size: 12pt;"><o:p></o:p></span></font> </p>
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