+ VBox *dvbox = manage (new VBox);
+ HBox *dhbox = manage (new HBox);
+
+ ccframe.set_label (_("Channel Configuration"));
+ ccframe.set_shadow_type (SHADOW_IN);
+
+ dvbox->pack_start (channel_combo, true, false, 5);
+ dvbox->pack_start (track_mode_combo, true, false, 5);
+ dhbox->pack_start (*dvbox, true, false, 5);