This subroutine adds a request for a "Snapshot" of a point to a Shopping List. The current point value is returned by Point Management after the Shopping List has been sent.

Syntax

PTMAP_add_snapshot ( sl_adr, point_adr, req_adr,

                     retstat )

PTMAP_ADDR  *sl_adr;

PTMAP_ADDR  *point_adr;

PTMAP_ADDR  *req_adr;

COR_STATUS  *retstat;

Input Arguments

sl_adr	A Shopping List ID created by a call to PTMAP_add_sl.
point_adr	A Point ID created by a call to PTMAP_add_point.

Output Arguments

req_adr	Identifier used to reference this request.
Retstat	Pointer to status structure. The following errors may be returned (see Appendix A for an explanation of this code):
	PTMAP_ADDR_PTR_NULL
	PTMAP_SL_ADR_NULL
	PTMAP_SL_ADDR_NOTF
	PTMAP_SEQ_NUM_MISMATCH

Return Value

The contents of retstat.status.

More information

Point Management API subroutines.

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