A DR_DEVICE_IOCOMPLETION header. The CompletionId field of this header MUST match a Device I/O Request message that had the MajorFunction field set to IRP_MJ_WRITE.
A 32-bit unsigned integer that specifies the number of bytes written in response to the write request.
publicuintLength
return
uint
Padding public_oe property
An optional, 8-bit unsigned integer intended to allow the client minor flexibility in determining the overall packet length. This field is unused and can be set to any value. If present, this field MUST be ignored on receipt.