private void PreviousElementHandler()
        {
            SelectedItem = SelectedItem == null || SelectedItem == Translations.First()
               ? Translations.Last()
               : Translations.Where(t => t.Id == SelectedItem.Id - 1).First();

            EncodingVM.SetItem(SelectedItem);
        }
 private void SelectionHandler(TranslationVM translation)
 {
     EncodingVM.SetItem(SelectedItem);
 }