public bool CheckAndChangeFonts()
        {
            Styles?.CheckAndUpdateFonts();

            var updateBreaks        = Document.UpdateBreaks();
            var checkAndChangeFonts = Document.CheckAndChangeMyFonts(new ObservableCollection <FontFamily>(Utilities.PossibleFonts.Select(elem => elem.Family)));

            return(updateBreaks || checkAndChangeFonts);
        }