EventUnregisterCallbackFunction (FUN)

FUNCTION EventUnregisterCallbackFunction : RTS_IEC_RESULT

Unregister a callback function from an event specified by handle and callback

InOut:

Scope	Name	Type	Comment
Return	EventUnregisterCallbackFunction	RTS_IEC_RESULT
Input	hEvent	RTS_IEC_HANDLE	Handle to event
	pfCallbackFunction	POINTER TO BYTE	Address of callback function. Function pointer is retrieved by the ADR operator: ADR(function)