public void Should_create_handler_for_AccountUpdateFailed()
        {
            var factory = new MessagingHandlersFactory();
            var actual  = factory.CreateHandler <AccountUpdateFailed>();

            Assert.Equal(typeof(AccountUpdateFailedEventHandler), actual.GetType());
            ListenerEventHandler handler = (ListenerEventHandler)actual;

            Assert.NotNull(handler.Validator);
            Assert.NotNull(handler.MessagingLogger);
            Assert.NotNull(handler.DbCommands);
        }
 private async void UpdatePage_Loaded(object sender, RoutedEventArgs e)
 {
     var listenerEventHandler = new ListenerEventHandler(resultSet_ContentsChanged);
     await ViewModel.ConfigureFolderListener(listenerEventHandler);
 }