private void OnCardStatusChanged(Object sender, StatusEventArgs args)
        {
            FlashCard card = (FlashCard)sender;
            lock (_cardsOut)
            {
                _cardsOut.Enqueue(card);
            }

            _eventPipelineFrame.Set();
            _eventPipelineCardsIn.Set();
            _eventPipelineCardsOut.Set();
        }
 private void card_StatusChanged(object sender, StatusEventArgs args)
 {
     RaisePropertyChangedEvent("Example");
     RaisePropertyChangedEvent("StatusText");
     RaisePropertyChangedEvent("StatusImage");
 }