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Getting a IOHIDElement from a Device.



Hi,

I am having a HID Device, which has a Usage Page :
0xFFA0 (vendor defined) and Usage : 0x04. I want to
get the value of this usage. I checked the
documentation, and found that the method
queryInterface() in IOHIDDeviceInterface can be used
to get the value of an element. 

However, the method queryInterface() also needs the
corresponding IOHIDElement. Is there any way to get
the IOHIDElement for a Usage Page - Usage pair of a
device ? Please let me know ?

Also, if there is an alternate method to get the value
of a Usage Page - Usape pair as well, let me know the
same.

Thanks and Regards
Rafi S


	
		
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