SupervisorOperationGetFirst
(FUN)
FUNCTION SupervisorOperationGetFirst : RTS_IEC_HANDLE
Iteration interface to get the first registered operation
- Error code:
ERR_OK: The first operation was successfully retrieved
ERR_NOTINITIALIZED: The operation memory is not initialized
ERR_NO_OBJECT: There are no registered operations
- InOut:
Scope
Name
Type
Comment
Return
SupervisorOperationGetFirst
RTS_IEC_HANDLE
Handle to the first operation or RTS_INVALID_HANDLE in case of an error
Input
pResult
POINTER TO RTS_IEC_RESULT
Pointer to error code