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Application causes hardware keyboard to stop working

 
 
TWischmeier
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      28th Jan 2011
Hi all,

I have a problem with our application. It is a .NETCF 3.5 Application
with SQLCE 3.5, running on WM 6.0 and 6.5.

There are a very few devices where the keyboard stops working
everytime the application gets fired up. After a cold boot the
keyboard is working again, until you start that specific application
again. There are other devices which are the same mode with the same
FW version where this problem has never occured (device is Datalogic
Pegaso).

Of course the customer thinks it's the application's fault, because it
is reproducable with it. But there is no point in the application
where I would call any native (or managed) function which could do
something like this. I am quite clueless here, my best guess being
something like a memory fault where loading the application (which is
about 15mb) somehow overwrites the hardware keyboard driver.

What shall I do from here? I am happy for every hint and tip!

Sincerely,
Tim
 
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