// Create an instance of the binding to use.
    WSHttpBinding b = new WSHttpBinding();

    // Get the binding element collection.
    BindingElementCollection bec = b.CreateBindingElements();

    // Find the SymmetricSecurityBindingElement in the colllection.
    // Important: Cast to the SymmetricSecurityBindingElement when using the Find
    // method.
    SymmetricSecurityBindingElement sbe = (SymmetricSecurityBindingElement)
bec.Find<SecurityBindingElement>();

    // Get the LocalServiceSettings from the binding element.
    LocalServiceSecuritySettings lss = sbe.LocalServiceSettings;

    // Print out values.
    Console.WriteLine("DetectReplays: {0} days", lss.DetectReplays);
    Console.WriteLine("ReplayWindow: {0} minutes", lss.ReplayWindow.Minutes);
    Console.WriteLine("MaxClockSkew: {0} minutes", lss.MaxClockSkew.Minutes);

    Console.ReadLine();
    Console.WriteLine("Press Enter to Continue");
    // Change the MaxClockSkew to 3 minutes.
    lss.MaxClockSkew = new TimeSpan(0, 0, 3, 0);

    // Print the new value.
    Console.WriteLine("New MaxClockSkew: {0} minutes", lss.MaxClockSkew.Minutes);
    Console.WriteLine("Press Enter to End");
    Console.ReadLine();

    // Create a URI for the service.
    Uri httpUri = new Uri("http://localhost/calculator");

    // Create a ServiceHost. The binding has the changed MaxClockSkew.
    ServiceHost sh = new ServiceHost(typeof(Calculator), httpUri);
    sh.AddServiceEndpoint(typeof(ICalculator), b, "");
    // sh.Open();
    // Console.WriteLine("Listening");
    // Console.ReadLine();
    // sh.Close();