The IOCTL_HID_FLUSH_QUEUE request dequeues all of the unparsed input reports from a top-level collection's input report queue.
For general information about HIDClass devices, see HID Collections.
Input Buffer Length
Output Buffer Length
The HID class driver sets the Status member of Irp->IoStatus to STATUS_SUCCESS if the transfer completed without error. Otherwise, it is set to an appropriate NTSTATUS error code.
|Header||hidclass.h (include Hidclass.h)|