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How to obtain a device object from a device interface?

Subject: How to obtain a device object from a device interface?
From: David Niemeijer <email@hidden>
Date: Tue, 7 Oct 2003 14:56:15 +0200

Hi,

If I have a HID Device Interface (IOHIDDeviceInterface), is there a straightforward way to obtain a reference to the device (io_object_t) itself?

Background: I use the HID Utilities sample code which stores information in a record for each device, including the HID Device Interface. In my own code I need to make a call to something that requires an io_object_t so I need a way to go from interface to object.

Thanks,

david.
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