AdsWriteReq

The method AdsWriteReq enables the sending of an ADS write command for transferring data to an ADS device.
AdsWriteCon is called on receipt of the response.

Syntax


int AdsWriteReq( AmsAddr& rAddr, ULONG invokeId, ULONG indexGroup, ULONG indexOffset, ULONG cbLength, PVOID pData );

Parameter

rAddr: (type: AmsAddr&) [in] structure with NetId and port number of the ADS server.

invokeId: (type: ULONG) [in] handle of the command that is sent. The InvokeId is specified by the source device and is used for the identification of the commands.

indexGroup: (Type: ULONG) [in] contains the index group number (32-bit, unsigned) of the requested ADS service.

indexOffset: (Type: ULONG) [in] contains the index offset number (32-bit, unsigned) of the requested ADS service.

cbLength: (type: ULONG) [in] contains the length in bytes of the data to be written (pData).

pData: (type: PVOID) [in] pointer to the data buffer in which the written data are located.

Return value

Type: int

Error code - see AdsStatuscodes.