private void loadPluginManager()
        {
            Gtk.ListStore store = new Gtk.ListStore (
                typeof (string), typeof (string), typeof(string) );

            plugins.AppendColumn (
                "Title", new Gtk.CellRendererText (), "text", 0);
            plugins.AppendColumn (
                "Author", new Gtk.CellRendererText (), "text", 1);
            plugins.AppendColumn (
                "Description", new Gtk.CellRendererText (), "text", 2);

            WallpaperManager manager = new WallpaperManager();
            foreach(wallpaperService.WallpaperService service in manager.getAllServices())
            {
                store.AppendValues (service.getName(), service.getAuthor(),service.getDescription());
            }

            plugins.Model=store;
            //
        }