Declaration
unsigned int _stdcall ReadPointValue(struct StationPar * St, struct PointPar * Pt)
Parameters
StPointer to the StationPar structure.
PtPointer to the PointPar structure.
Description
The function ReadPointValue (_ReadPointValue@8 in the Stdcall call convention) is optional and it is called to get the value of defined I/O tag after writing a new value using the function WritePointValue.
Return code
CodeDescription
RQ_OKRequest executed OK.
RQ_ERRAn error occurred (the device does not communicate or is out of service, or there is any error), the station changes into the state COM_ERR, or HARD_ERR after returning from the function.
RQ_IGNOREDThe function was ignored and the station status is not changed.

Related pages:

D2000 KomAPI - interface functions

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