#include opcapi.h
int opcif_write(
int interface_id, /* in */
const opcdata data /* in */
);
Parameters
interface_id
data
Description
Use the function opcif_write()
to write a message
to the HPOM Interface. Depending on the type of interface, the
message is written into the message queue of the message agent.
This function can only be used for interfaces of the following types:
OPCSVIF_EXTAGT_MESSAGE
Return Values
OPC_ERR_OK
OPC_ERR_CANT_INIT
OPC_ERR_INVALID_INTERFACE_ID
OPC_ERR_INVALID_OPCDATA_TYPE:
data
must be of the type
OPCDTYPE_MESSAGE
.
OPC_ERR_CANT_WRITE_MSG
OPC_ERR_WRONG_MSITYPE
Versions
HPOM for Windows 8.00 and higher