private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Gui.webBrowser           = webBrowserEditor;
            Gui.htmlEditor           = HtmlEditor1;
            Initialisation.webeditor = this;
            Gui.newdocument();

            Initialisation.RibbonComboboxFontsInitialisation();
            Initialisation.RibbonComboboxFontSizeInitialisation();
            Initialisation.RibbonComboboxFormatInitionalisation();
        }