Hello Alex,

I'm glad to hear this might be useful to you.

you asked:
> A quick read of your document so far suggests that once I install the
> driver (and presumably there's a way to have just the driver and not the
> bloated iTouch software) I'll be able to customise a key/scan code for
> each of these keys and then carry on as per usual.

There is an option in iTouchcf to not show the tray icon.
You don't need that tray icon because, after you have set up
my solution as described in my document, you never need to
use the Logitech config gui program iTouchcf.exe again,
which is what the tray icon can start.


The Logitech installer creates an entry in
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
to start iTouch.exe (note: not iTouchcf.exe)

You should keep that value in the "Run" regkey because
iTouch.exe must be running for my method to work.
There is no other way to make *every* extra key work
as you would wish.

I tested removing iTouch.exe from the Run regkey
but then it acted as if the Logitech driver is not loaded.


Referring to my metaphor:

"Like PowerPro has the gui pproconf.exe to customise your
pproconf.pcf, and then powerpro.exe executes it...
similarly Logitech's iTouch keyboards have the gui program
iTouchcf.exe to customise Logitech's section of the registry,
and then the Logitech keyboard driver executes that information."

In that metaphor, iTouchcf.exe does a similar job to pproconf.exe
and iTouch.exe does a similar job to powerpro.exe.
So iTouch.exe must be run at system startup because it is
(part of) the executing driver.


Bloated? iTouch.exe is 892,928 bytes. Task manager reports
that iTouch.exe is using 4 megabytes of memory, but I think
that might include some dlls which would be loaded anyway.

I don't know what effect it has on cpu usage.

Maybe that seems like a lot of resources to use, but it is
necessary if you want to customise all extra keys to do
any PowerPro things of your choice.


I agree the iTouch software is too bloated generally
for PowerPro users.
It was designed for ordinary consumers who cannot easily
make their own equivalents in PowerPro for all those
"friendly" features.



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