fTime
The time of the event.
pData
Pointer to a USBPACKET. Use it to manually parse all fields. See MFCSample for more details.
Size
Total size of USBPACKET and all payload data. Equals to nSize variable:
Fired when URB packet with urb.UrbHeader.Function=URB_FUNCTION_GET_STATUS_FROM_OTHER is received.
See _URB_CONTROL_GET_STATUS_REQUEST for more details.
The library decodes several parameters from this packet (see above).