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HID Problem

 
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Author Message
Tassilo J. Klein
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PostPosted: Tue Dec 09, 2003 5:31 pm    Post subject: HID Problem Reply with quote



Hi there,

I am trying to communicate with a HID device. Everything works fine
under Windows XP but I have problems with it using Windows ME.

When retrieving the device capabilities using
HidD_GetPreparsedData(....) respectively, I get an error message
lamenting "wrong parameter". I really appreciate some advice!

Thanks in advance!
Tassilo


Here is some code:

PHIDP_PREPARSED_DATA PreparsedData;

HidD_GetPreparsedData
(DeviceHandle,
&PreparsedData);

// here GetLastError indicates an error!

HidP_GetCaps
(PreparsedData,
&Capabilities);



HidD_FreePreparsedData(PreparsedData);

(...)
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