protected void OnSuspending(object sender, SuspendingEventArgs @event)
{
// Validate.
if (@event is null)
{
throw new ArgumentNullException(nameof(@event));
}
// Delay
var deferral = @event.SuspendingOperation.GetDeferral();
try
{
// Save state
SaveState();
}
catch (Exception error)
{
// Log error saving state then continue
LocalErrorStore.Add(error);
}
finally
{
// End delay
deferral.Complete();
}
}
protected static void OnError(object sender, Windows.UI.Xaml.UnhandledExceptionEventArgs @event)
{
// Validate.
if (@event is null)
{
throw new ArgumentNullException(nameof(@event));
}
// Store error to send later
LocalErrorStore.Add(@event.Exception);
}
protected void OnResuming(object sender, object @event)
{
try
{
// Load state
LoadState();
}
catch (Exception error)
{
// Log error restoring state then create new model
LocalErrorStore.Add(error);
}
}
/// <summary>
/// Logs unhandled errors.
/// </summary>
protected static void OnError(object sender, Windows.UI.Xaml.UnhandledExceptionEventArgs @event)
{
// Store error to send later
LocalErrorStore.Add(@event.Exception);
}