GetByID Method
The GetByID method of the SPGroupCollection class returns a cross-site group from the collection based on the member ID of the group.
Parameters
id A 32-bit integer that specifies the member ID.
Return Value
A Microsoft.SharePoint.SPGroup object that represents the cross-site group.
Remarks
The value of the id parameter corresponds to the unique member ID for the cross-site group, which is contained in the ID property of the SPMember class.
Requirements
Platforms: Microsoft Windows Server 2003
Security: Code Access Security