public async void Run(IBackgroundTaskInstance taskInstance)
{
// Get a deferral, to prevent the task from closing prematurely
// while asynchronous code is still running.
BackgroundTaskDeferral deferral = taskInstance.GetDeferral();
// update live tile
try {
// Load the item.
XmlDocument tileXml = await TimetableModel.GetNextLessonXml();
if (tileXml == null)
{
throw new Exception("Timetable is empty.");
}
// Update the live tile with the item.
TimetableModel.UpdateTile(tileXml);
}
catch {
Debug.WriteLine("Missing timetable item. First load the timetable.");
}
// Inform the system that the task is finished.
deferral.Complete();
}
// update the live tile
private static async Task UpdateLiveTile()
{
try {
// Load the item.
XmlDocument tileXml = await TimetableModel.GetNextLessonXml();
if (tileXml == null)
{
throw new Exception("Timetable is empty.");
}
// Update the live tile with the item.
TimetableModel.UpdateTile(tileXml);
}
catch {
Debug.WriteLine("Missing timteable item. First load the timetable.");
}
}