private static string CallMethod(SecureSettingsManager manager, MethodInfo method, object[] parameters)
 {
     try
     {
         return string.Format("success: {0}\n", method.Invoke(manager, parameters));
     }
     catch (Exception e)
     {
         return e.ToString();
     }
 }
 private static SecureSettingsManager GetSecureSettingsManager()
 {
     if (_source == null) _source = new SecureSettingsManager(GetRegisteredSource());
     return _source;
 }