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

St	Pointer to the StationPar structure.
Pt	Pointer to the 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.

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.