AdsSyncReadReqEx2

Reads data synchronously from an ADS server.

LONG AdsSyncReadReqEx2(
  LONG    port,PAmsAddrpAddr,
  ULONG   nIndexGroup,
  ULONG   nIndexOffset,
  ULONG   nLength,
  PVOID   pData,
  ULONG*  pcbReturn
);

Parameter

port

[in] port number of an ADS port that had previously been opened with AdsPortOpenEx or AdsPortOpen.

pAddr

[in] Structure with NetId and port number of the ADS server.

nIndexGroup

[in] Index Group.

nIndexOffset

[in] Index Offset.

nLength

[in] Length of the data in bytes.

pData

[out] Pointer to a data buffer that will receive the data.

pcbReturn

[out] pointer to a variable. If successful, this variable will return the number of actually read data bytes.

Return value

Returns the function's error state.