Re: How mouse driver corrupt text in another program?
On Thu, 28 May 2009 13:02:52 -0700, David Deley <deleyd@gte.net> wrote:
How can the combination of a mouse driver, and a program that allows you
to minimize any window to the system tray, affect text in an editor?
They seem completely unrelated, yet I experienced the problem described
in these links:
"Problem with Logitech SetPoint mouse drivers"
http://www.multiedit.com/forums/viewtopic.php?t=1093
"Corrupted result tree in Multi File search dialog"
http://www.multiedit.com/forums/viewtopic.php?t=1958
The only clue is the problem started with Logitech SetPoint 2.46, and
the description of that newer Logitech DLL contains the word 'Unicode'
which was not in the older one. The problem was fixed in SetPoint 4.40,
and the release notes for 4.40 mention a 'unicode error' in the items fixed.
What does a mouse driver have to do with unicode text anyway?
I am insatiably curious how the interaction of a mouse driver and a 2nd
program can corrupt the text in a 3rd program. I would appreciate any
explanation anyone can give (as long as the explanation doesn't involve
"Magic Pixies").
Awww, you preempted my answer. :) Seriously, if setpoint uses a global
mouse hook, the DLL that implements it gets loaded into every process in
the system, and so a badly written hook can cause a lot of damage.
--
Doug Harrison
Visual C++ MVP
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