Routines (alphabetical) > Routines: H > HDF Routines > HDF_VD_ISVG

HDF_VD_ISVG

The HDF_VD_ISVG function determines if the object associated with Id is a VGroup in an HDF file.

Syntax

Result = HDF_VD_ISVG(VGroup, Id)

Return Value

Returns True (1) if the object is a VGroup, or False (0) otherwise.

Arguments

VGroup

The VGroup handle returned by a previous call to HDF_VD_ATTACH.

Id

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

Keywords

None

Examples

Vid = HDF_VG_GETNEXT(Vgrp, -1)

PRINT, HDF_VD_ISVG(VGrp, Vid)

Version History

 

4.0

Introduced