SplQueryPort - Parameters

pszComputerName (PSZ) - input

Name of the computer connected to the port.

This value can be NULL for a local machine.

pszPortName (PSZ) - input

Name of the port to query.

ulLevel (ULONG) - input

Level of information to return.

This must be 2.

pBuf (PVOID) - output

Receives the PRPORTINFO2 data structure.

cbBuf (ULONG) - input

Length of buffer pointed to by pBuf, in bytes.

pcbNeeded (PULONG) - output

Receives length, in bytes, of buffer needed to return all the port data.

rc (ULONG) - returns

Return codes.
• Success

  ERROR_INVALID_LEVEL(124)

  ulLevel is not 2.
  ERROR_INVALID_PARAMETER(87)
  An invalid parameter was specified; most likely an invalid pBuf value.
  ERROR_MORE_DATA(234)
  Not all data could fit in pBuf.
  ERROR_NOT_SUPPORTED(50)
  Command not supported on pszComputerName.
  NERR_BufTooSmall(2123)
  No data could fit in pBuf.
  NERR_DestNotFound(2152)
  The port name does not exist.

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