' NOTE: You can use the "Rename" command on the context menu to change the class name "Calculatorsvc" in code, svc and config file together. ' NOTE: In order to launch WCF Test Client for testing this service, please select Calculatorsvc.svc or Calculatorsvc.svc.vb at the Solution Explorer and start debugging. Public Class Calculatorsvc Implements ICalculatorsvc Public Function Add(ByVal a As Integer, ByVal b As Integer) As Integer Implements ICalculatorsvc.Add Return a + b End Function End Class