private async void btnApplicationTrigger_Tapped(object sender, TappedRoutedEventArgs e)
{
var trigger = new ApplicationTrigger();
var reg = await RegisterBackgroundTask(typeof(TheBackgroundTask.TheTask).FullName,
trigger.GetType().Name, trigger, null);
var md = new ValueSet();
md.Add("command", txtForApplicationTrigger.Text);
var res = await trigger.RequestAsync(md);
}
