' Remove a member from a COM+ application's role,'  and return True if the operation is successfull' Note: requires a reference to the COM+ Admin Type Library'' Example: DelComPlusAppRoleMember("MyComPlusApp", "MyTestRole", "MYPCOwner",'  "")Function DelComPlusAppRoleMember(ByVal applicationName As String, _    ByVal roleName As String, ByVal memberName As String, _    ByVal serverName As String) As Boolean    Dim catalog As New COMAdmin.COMAdminCatalog    catalog.Connect(serverName)    ' get the Applications collection    Dim apps As COMAdmin.COMAdminCatalogCollection = CType _        (catalog.GetCollection("Applications"), _        COMAdmin.COMAdminCatalogCollection)    apps.Populate()    Dim AppObj As COMAdmin.COMAdminCatalogObject    For Each AppObj In apps        If applicationName = AppObj.Name.ToString() Then            Dim roles As COMAdmin.COMAdminCatalogCollection = CType _                (apps.GetCollection("Roles", AppObj.Key), _                COMAdmin.COMAdminCatalogCollection)            roles.Populate()            Dim RoleObj As COMAdmin.COMAdminCatalogObject            For Each RoleObj In roles                If roleName = RoleObj.Name.ToString() Then                    Dim members As COMAdmin.COMAdminCatalogCollection = CType _                        (roles.GetCollection("UsersInRole", RoleObj.Key), _                        COMAdmin.COMAdminCatalogCollection)                    members.Populate()                    ' add each member name to an ArrayList                    Dim i As Integer                    For i = 0 To members.Count - 1                        If memberName = CType(members.Item(i), _                            COMAdmin.COMAdminCatalogObject).Name.ToString() Then                            If members.RemoveEnabled Then                                members.Remove(i)                                members.SaveChanges()                                Return True                            End If                        End If                    Next i                End If            Next RoleObj        End If    Next AppObj    Return FalseEnd Function