Binaryworld - AddComPlusAppRole - Adding a new role to a COM+ application ... [ VB.net -> COM+ ]

' 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