private async void InitializeAsync()
{
if (!DesignerProperties.GetIsInDesignMode(new DependencyObject()))
{
Task <IEnumerable <Sentence> > loadedSentences = SentenceRepository.GetAllSentencesAsync();
IsLoading = true;
Sentences = new ObservableCollection <Sentence>((await loadedSentences).ToList());
IsLoading = false;
}
}
