private void BackgroundTask_Progress(BackgroundTaskRegistration sender, BackgroundTaskProgressEventArgs args)
{
ToastHistoryChangedType changedType = (ToastHistoryChangedType)args.Progress;
CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, delegate
{
OnHistoryChanged(changedType);
});
}
private async void OnHistoryChanged(ToastHistoryChangedType changedType)
{
_changeEvents.Add(changedType);
switch (_step)
{
case 1:
if (changedType == ToastHistoryChangedType.Removed)
{
_step = 2;
StackPanelStep1.Visibility = Visibility.Collapsed;
StackPanelStep2.Visibility = Visibility.Visible;
}
else
{
await new MessageDialog("ERROR: Step 1 - expected Removed but was " + changedType).ShowAsync();
}
break;
case 2:
if (changedType == ToastHistoryChangedType.Removed)
{
_step = 3;
StackPanelStep2.Visibility = Visibility.Collapsed;
StackPanelStep3.Visibility = Visibility.Visible;
_timerStep3 = new DispatcherTimer()
{
Interval = TimeSpan.FromSeconds(10)
};
_timerStep3.Tick += _timerStep3_Tick;
_timerStep3.Start();
}
else
{
await new MessageDialog("ERROR: Step 2 - expected Removed but was " + changedType).ShowAsync();
}
break;
case 3:
if (_timerStep3 != null)
{
_timerStep3.Stop();
}
await new MessageDialog("ERROR: Step 3 - wasn't expecting any changes, but received " + changedType).ShowAsync();
break;
case 4:
break;
default:
throw new NotImplementedException("Didn't handle step " + _step);
}
}
private async void OnHistoryChanged(ToastHistoryChangedType changedType)
{
_changeEvents.Add(changedType);
switch (_step)
{
case 1:
if (changedType == ToastHistoryChangedType.Removed)
{
_step = 2;
StackPanelStep1.Visibility = Visibility.Collapsed;
StackPanelStep2.Visibility = Visibility.Visible;
}
else
{
await new MessageDialog("ERROR: Step 1 - expected Removed but was " + changedType).ShowAsync();
}
break;
case 2:
if (changedType == ToastHistoryChangedType.Removed)
{
_step = 3;
StackPanelStep2.Visibility = Visibility.Collapsed;
StackPanelStep3.Visibility = Visibility.Visible;
_timerStep3 = new DispatcherTimer()
{
Interval = TimeSpan.FromSeconds(10)
};
_timerStep3.Tick += _timerStep3_Tick;
_timerStep3.Start();
}
else
{
await new MessageDialog("ERROR: Step 2 - expected Removed but was " + changedType).ShowAsync();
}
break;
case 3:
if (_timerStep3 != null)
_timerStep3.Stop();
await new MessageDialog("ERROR: Step 3 - wasn't expecting any changes, but received " + changedType).ShowAsync();
break;
case 4:
break;
default:
throw new NotImplementedException("Didn't handle step " + _step);
}
}
