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<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=709365119-16022005>Re
preventing someone copying text from a confidential screen:</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=709365119-16022005></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff 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 face=Arial color=#0000ff size=2><SPAN
class=709365119-16022005></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff 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 face=Arial
color=#0000ff size=2>end;<BR></FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=709365119-16022005><FONT
face=Arial color=#0000ff size=2>
<DIV><SPAN class=709365119-16022005><FONT face=Arial color=#0000ff
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><FONT face=Arial color=#0000ff
size=2></FONT> </DIV></DIV></FONT></SPAN></FONT>
<DIV><FONT face=Arial color=#0000ff 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 face=Arial color=#0000ff size=2><SPAN
class=709365119-16022005></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff 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><FONT face=Arial color=#0000ff size=2></FONT> </DIV>
<DIV class=Section1>
<P class=MsoAutoSig align=left>John B</P>
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