AdsReadWriteInd

The method AdsReadWriteInd indicates an ADS readwrite command, for the transfer of data to and from an ADS device. The AdsReadWriteRes needs to be called for sending the result.

Syntax


void    AdsReadWriteInd( AmsAddr& rAddr, ULONG invokeId, ULONG indexGroup,
ULONG indexOffset, ULONG cbReadLength, ULONG cbWriteLength, 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.

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

cbWriteLength: (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

void