By the way, I'm using 10.4. I'm using the sample code from HID
Explorer to test this:
http://developer.apple.com/samplecode/HID_Explorer/HID_Explorer.html
The pointing device in question doesn't respond in the explorer.
Other USB devices do.
Thanks.
On Aug 15, 2005, at 2:55 PM, Ben Hanks wrote:
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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