USB Device Printer Function Driver Read and Write Complete Event Data. 

This data type defines the data structure returned by the driver along with USB_DEVICE_PRINTER_EVENT_DATA_WRITE_COMPLETE and USB_DEVICE_PRINTER_EVENT_DATA_WRITE_COMPLETE events.

typedef struct {
  USB_DEVICE_PRINTER_TRANSFER_HANDLE handle;
  size_t length;
  USB_DEVICE_PRINTER_RESULT status;
} USB_DEVICE_PRINTER_EVENT_DATA_READ_COMPLETE, USB_DEVICE_PRINTER_EVENT_DATA_WRITE_COMPLETE;

None.