public void RemoveUpdatedHighlight(PDFHighlight highlight)
        {
            RemoveHighlight_Internal(highlight);

            OnPDFHighlightListChanged?.Invoke();
        }
 private void Bindable_PropertyChanged(object sender, PropertyChangedEventArgs e)
 {
     OnPDFHighlightListChanged?.Invoke();
 }
        public void AddUpdatedHighlight(PDFHighlight highlight)
        {
            AddHighlight_Internal(highlight);

            OnPDFHighlightListChanged?.Invoke();
        }