Windows Phone 7.1 now supports scheduled tasks which runs even the application is not running. We can now schedule a task and when the bell hits, it starts executing the said task. In this chapter of the tutorial series, we will explore this using the Alarm class.   Alarm class creates an instance which runs in the background using the task agent and at the specified time, it will raise the event to execute. If your application is not running at that time too, it will execute and show the alarm screen. Read to know more about the class with a small demonstration.   Index - Windows Phone 7 (Mango) Tutorial   Know about the Alarm Class Before going to the deep, let us first explore the structure of the Alarm class and the various properties of it. You can find the Alarm class under the "Microsoft.Phone.Scheduler" namespace which inherits from the ScheduledNotification class. The base class of them is the ScheduledAction class. Both of these...