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Tip of the Day
Language: VB7
Expertise: Advanced
Aug 25, 2003

AddComPlusAppRole - Adding a new role to a COM+ application

' Create a new role to a COM+ application, and return True if the operation is 
' successfull
' Note: requires a reference to the COM+ Admin Type Library
'
' Example: AddComPlusAppRole("MyComPlusApp", "MyTestRole", "")

Function AddComPlusAppRole(ByVal applicationName As String, _
    ByVal roleName 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
                    Return False
                End If
            Next RoleObj
            If roles.AddEnabled Then
                Dim role As COMAdmin.COMAdminCatalogObject = CType(roles.Add(), _
                    COMAdmin.COMAdminCatalogObject)
                role.Value("Name") = CType(roleName, Object)
                roles.SaveChanges()
                Return True
            End If
        End If
    Next AppObj
    Return False
End Function
Robert N Neuman
 
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