This function returns the linkfield to the previous level.

Examples


In this example, we return the linkfield connecting the Observations level to the previous Desc-Loc level. (These levels are defined in the EOS_PT_DEFLEVEL routine.)

status = EOS_PT_BCKLINKINFO(pointID2, 1, linkfield)

Syntax


Result = EOS_PT_BCKLINKINFO(pointID, level, linkfield)

Return Value


Returns SUCCEED (0) if successful and FAIL (–1) otherwise.

Arguments


pointID

Point id (long) returned by EOS_PT_CREATE or EOS_PT_ATTACH.

level

Point level (0-based long).

linkfield

A named variable that will contain the link field (string).

Keywords


None

Version History


5.2

Introduced