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unsigned int _stdcall ReadPointValue(struct StationPar * St, struct PointPar * Pt)

St Pointer to StationPar structure.
Pt Pointer to PointPar structure.

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
Code Description
RQ_OK Request executed OK.
RQ_ERR An 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_IGNORED The function was ignored and the station status is not changed.

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