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Possible to ignore kIOHIDOptionsTypeSeizeDevice ?

Hi,

I'm trying to capture a pointing device using the HIDCreateOpenDeviceInterface call from the HID Utils which I have altered to use the kIOHIDOptionsTypeSeizeDevice flag. Here's the line I changed:

result = (*(IOHIDDeviceInterface**)pDevice->interface)->open (pDevice- >interface, kIOHIDOptionsTypeSeizeDevice);

This seems to work with most devices but the particular one I need to capture in my app doesn't seem to let me seize it. The call doesn't fail (result == 0 right after) but the system continues to interact with the device and the app can't get data from it. Has anyone seen something like this before?

Thanks.

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