The HDF_VG_INQTR function returns true if the specified tag and reference pair is linked to the specified VGroup in an HDF file.

Examples


See HDF_SD_IDTOREF for an example using this function.

Syntax


Result = HDF_VG_INQTR(VGroup, Tag, Ref)

Return Value


Returns true if the link exists.

Arguments


VGroup

The VGroup handle returned by a previous call to HDF_VG_ATTACH.

Tag

The tag number.

Ref

The reference number.

Keywords


None

Version History


4.0

Introduced