[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

Opens an existing group for modification and returns a group identifier for that group.

Syntax

Visual Basic (Declaration)
Public Shared Function open ( _
	groupOrFileId As H5LocId, _
	groupName As String _
) As H5GroupId
C#
public static H5GroupId open (
	H5LocId groupOrFileId,
	string groupName
)
C++
public:
static H5GroupId^ open (
	H5LocId^ groupOrFileId, 
	String^ groupName
)

Parameters

groupOrFileId (H5LocId)
IN: File or group identifier within which group is to be open.
groupName (String)
IN: Name of group to open.

Remarks

H5G.open opens an existing group with the specified name at the specified location, groupOrFileId. The location is identified by a file or group identifier. H5G.open returns a group identifier for the group that was opened. This group identifier should be released by calling H5G.close when it is no longer needed.

Exceptions

ExceptionCondition
H5G.open throws H5GopenException on failure.