private void createTable()
    {
        int rows = listConnected.Count;

        Gtk.Label label_device_title = new Gtk.Label("<b>" + Catalog.GetString("Device") + "</b>");
        Gtk.Label label_type_title   = new Gtk.Label("<b>" + Catalog.GetString("Type") + "</b>");

        label_device_title.UseMarkup = true;
        label_type_title.UseMarkup   = true;

        label_device_title.Show();
        label_type_title.Show();

        table_main = new Gtk.Table((uint)rows + 1, 2, false);         //not homogeneous
        table_main.ColumnSpacing = 20;
        table_main.RowSpacing    = 6;

        table_main.Attach(label_device_title, (uint)1, (uint)2, 0, 1);
        table_main.Attach(label_type_title, (uint)2, (uint)3, 0, 1);

        list_buttons_left  = new List <Gtk.Button>();
        list_images        = new List <Gtk.Image>();
        list_labels_type   = new List <Gtk.Label>();
        list_buttons_right = new List <Gtk.Button>();

        for (int count = 1; count <= rows; count++)
        {
            string    deviceStr    = listConnected[count - 1].SerialNumber + "\n\n" + listConnected[count - 1].Port;
            Gtk.Label label_device = new Gtk.Label(deviceStr);
            table_main.Attach(label_device, (uint)1, (uint)2, (uint)count, (uint)count + 1);
            label_device.Show();

            Gtk.HBox hbox_type   = new Gtk.HBox(false, 6);
            Button   button_left = UtilGtk.CreateArrowButton(ArrowType.Left, ShadowType.In, 50, -1);
            button_left.Sensitive = (listConnected[count - 1].Type != TypePixList.l[0].Type);
            button_left.CanFocus  = false;
            button_left.IsFocus   = false;
            button_left.Clicked  += on_button_left_clicked;
            //hbox_type.Add(button_left);
            hbox_type.PackStart(button_left, true, false, 1);

            //create image
            Pixbuf    pixbuf = TypePixList.GetPix(listConnected[count - 1].Type);
            Gtk.Image image  = new Gtk.Image();
            image.Pixbuf = pixbuf;
            hbox_type.Add(image);
            hbox_type.PackStart(image, false, false, 1);

            Button button_right = UtilGtk.CreateArrowButton(ArrowType.Right, ShadowType.In, 50, -1);
            button_right.CanFocus  = false;
            button_right.IsFocus   = false;
            button_right.Clicked  += on_button_right_clicked;
            button_right.Sensitive = (listConnected[count - 1].Type != TypePixList.l[TypePixList.l.Count - 1].Type);
            hbox_type.PackStart(button_right, true, false, 1);

            Gtk.VBox vbox = new Gtk.VBox(false, 2);
            vbox.Add(hbox_type);
            Gtk.Label label_type = new Gtk.Label(ChronopicRegisterPort.TypePrint(listConnected[count - 1].Type));
            vbox.Add(label_type);

            table_main.Attach(vbox, (uint)2, (uint)3, (uint)count, (uint)count + 1);

            list_buttons_left.Add(button_left);
            list_images.Add(image);
            list_labels_type.Add(label_type);
            list_buttons_right.Add(button_right);
        }
        table_main.Show();
    }