Notification Hubs

• Allows you to send notifications to any platform (iOS, Android, Windows etc) from any back-end platform
• Notifications allows users to get information , especially on their mobile devices , for any sort of desired information
• Tutorial: https://docs.microsoft.com/en-us/azure/notification-hubs/notification-hubs-windows-store-dotnet-get-started-wns-push-notification

Windows Store Application (WNS)

• You must pay a fee of 19USD to develop Windows Store applications
• You can make the Notification Hub interact with the Application in the Windows Store
• Requires Nuget package WindowsAzure.Messaging.Managed

private async void InitNotificationsAsync()
{
  var channel = await PushNotificationChannelManager.CreatePushNotificationChannelForApplicationAsync();

  var hub = new NotificationHub("apphub", "connection-string");
  var result = await hub.RegisterNativeAsync(channel.Uri);

  // Displays the registration ID so you know it was successful
  if (result.RegistrationId != null)
  {
    var dialog = new MessageDialog("Registration successful: " + result.RegistrationId);
    dialog.Commands.Add(new UICommand("OK"));
    await dialog.ShowAsync();
  }
}