RemoveUser Method
The RemoveUser method of the SPGroup class removes the specified user from the cross-site group.
Parameters
user A Microsoft.SharePoint.SPUser object that represents the user.
Example
The following code example removes a specified user from every cross-site group in a site collection.
This example requires using directives (Imports in Visual Basic) for both the Microsoft.SharePoint and Microsoft.SharePoint.WebControls namespaces.
Requirements
Platforms: Microsoft Windows Server 2003
Security: Code Access Security