DATA_EVCB Field - hid
hid (HID)
Handler
ID that identifies the stream handler that reported this event. This field
can be filled in by the application media control device for the SpiEnableEvent
call when this event is enabled. In this case, it identifies which stream
handler must report the event. The stream handler must be able to report
this event for the SpiEnableEvent call
to succeed. This field also must be filled in by the stream handler when
reporting this event.
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