Rockwell Automation Allen-Bradley ControlLogix 1756-MVI - Page 64

Publication 1756-RM004B-EN-P - October 2000
4-12 CIP Messaging API
The MVIcip_ReadConnected function can only be used if the
rxdata_proc callback function pointer was set to NULL in the call to
MVIcp_RegisterAssemblyObject().
Return Value:
MVI_SUCCESS data was read successfully
MVI_ERR_NOACCESS
apiHandle does not have access
MVI_ERR_BADPARAM
connHandle or dataSize is invalid
MVI_ERR_INVALID an
rxdata_proc callback has been registered
Example:
MVIHANDLE apiHandle;
MVIHANDLE connHandle;
BYTE buffer[128];
// Read 128 bytes from the connected data buffer
MVIcip_ReadConnected(apiHandle, connHandle, buffer, 0, 128 );
See Also:
MVIcip_WriteConnected
MVIcip_ReadConnected