HDF_VD_ISVD

The HDF_VD_ISVD function returns True (1) if the object associated with Id is a VData in a Hierarchical Data Format file.

Calling Sequence

Result = HDF_VD_ISVD( VGroup, Id )

Arguments

VGroup

The VGroup handle returned by a previous call to HDF_VG_ATTACH.

Id

The VGroup or VData reference number obtained by a previous call to HDF_VG_GETNEXT or HDF_VD_GETNEXT.

Example

Vid = HDF_VD_GETNEXT(Vgrp, -1)

PRINT, HDF_VD_ISVD(VGrp, Vid)