The
HDF_VG_GETID function returns the
VGroup
ID for the next
VGroup
after the specified
VGroupId
in a Hierarchical Data Format file. Use a
VGroupId
of -1 to get the first
VGroup
in the file.
Calling Sequence
Result = HDF_VG_GETID(
FileHandle, VGroupId
)
Arguments
FileHandle
The HDF file handle returned from a previous call to HDF_OPEN.
VGroupID
The VGroup reference number, generally obtained by HDF_VG_GETID or HDF_VG_LONE.