private void StartPeriodicDownloadAgent()
{
// Obtain a reference to the period task, if one exists
this.periodicTask = ScheduledActionService.Find(periodicTaskName) as PeriodicTask;
// If the task already exists and background agents are enabled for the
// application, you must remove the task and then add it again to update
// the schedule
if (this.periodicTask != null)
{
BackgroundDownloader.RemoveAgent(periodicTaskName);
}
this.periodicTask = new PeriodicTask(periodicTaskName);
// The description is required for periodic agents. This is the string that the user
// will see in the background services Settings page on the device.
this.periodicTask.Description = periodicTaskDescription;
// Place the call to Add in a try block in case the user has disabled agents.
try
{
ScheduledActionService.Add(this.periodicTask);
// If debugging is enabled, use LaunchForTest to launch the agent in one minute.
#if (DEBUG_AGENT)
ScheduledActionService.LaunchForTest(periodicTaskName, TimeSpan.FromSeconds(15));
#endif
}
catch (InvalidOperationException exception)
{
if (exception.Message.Contains("BNS Error: The maximum number of ScheduledActions of this type have already been added."))
{
// No user action required. The system prompts the user when the hard limit of periodic tasks has been reached.
}
}
catch (SchedulerServiceException)
{
// No user action required.
}
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
BackgroundDownloader downloader = new BackgroundDownloader();
downloader.CreateDownload("{id: \"123456789\", downloadUri: \"https://dl.dropboxusercontent.com/u/77441826/1.txt\", resultFilePath: \"newFile.txt\", minInterval: 120}");
}
