private async void RegisterBGTask_Click(object sender, RoutedEventArgs e)
{
var existing = BackgroundHelper.FindRegistration <OOPBackgroundTask.BadgeTask>();
if (existing == null)
{
// await BackgroundHelper.Register<OOPBackgroundTask.BadgeTask>(new ToastNotificationActionTrigger());
await BackgroundHelper.Register <OOPBackgroundTask.BadgeTask>(new TimeTrigger(15, false));
}
BGTaskList.Text = "";
foreach (var t in BackgroundTaskRegistration.AllTasks)
{
BGTaskList.Text += t.Value.ToString() + "\n";
}
}