Obtain a reference to a group that can be used for sending or receiving. Multiple references to the same group are
permitted. The local client maintains membership for as long as at least a single reference exists. This call is blocking.

C# | Visual Basic | Managed C++ |
IGroup Open ( GroupID gid, GroupOptions options )
Function Open ( _ gid As GroupID, _ options As GroupOptions _ ) As IGroup
IGroup^ Open ( GroupID gid, GroupOptions options )

- gid (GroupID)
- Identifier of the group. Must be known upfront or obtained through a naming service. In this version of QSM naming services are not provided.
- options (GroupOptions)
- Options that control the way data flows through this attachment point.

A disposable reference to the group.