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

# HDF_VG_SETINFO

The HDF_VG_SETINFO procedure sets the name and class of a VGroup.

## Examples

fid = HDF_OPEN('demo.hdf',/RDWR) ; Open an HDF file:

vgid = HDF_VG_ATTACH(fid, -1, /WRITE) ; Add a new VGroup:

; Set the name and class for the VGroup:

HDF_VG_SETINFO, vgid, NAME='My Name', CLASS='My VGroup Class'

; Retrieve the name and class information from the file:

HDF_VG_GETINFO, vgid, NAME=outname, CLASS=outclass

; Print information about the returned variables:

HELP, outname, outclass

; End VGroup access:

HDF_VG_DETACH, vgid

; Close the HDF file:

HDF_CLOSE, fid

#### IDL Output

OUTNAME STRING = 'My Name'

OUTCLASS STRING = 'My VGroup Class'

## Syntax

HDF_VG_SETINFO, VGroup [, CLASS=string] [, NAME=string]

## Arguments

### VGroup

The VGroup handle as returned by HDF_VG _ATTACH.

## Keywords

### CLASS

A string containing the class name for the VGroup.

### NAME

A string containing the name for the VGroup.

## Version History

4.0 | Introduced

## See Also

HDF_VG_GETINFO