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-rw-r--r--gtk2_ardour/mixer_ui.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/gtk2_ardour/mixer_ui.h b/gtk2_ardour/mixer_ui.h
index 99a2682f2a..1c5ecda850 100644
--- a/gtk2_ardour/mixer_ui.h
+++ b/gtk2_ardour/mixer_ui.h
@@ -184,6 +184,8 @@ class Mixer_UI : public Gtk::Window
void build_mix_group_context_menu ();
void activate_all_mix_groups ();
void disable_all_mix_groups ();
+ void show_all_mix_groups ();
+ void hide_all_mix_groups ();
void add_mix_group (ARDOUR::RouteGroup *);
void mix_groups_changed ();
void mix_group_name_edit (const Glib::ustring&, const Glib::ustring&);