- Config->ParameterChanged.connect (mem_fun (*this, &LevelMeter::parameter_changed));
- UI::instance()->theme_changed.connect (mem_fun(*this, &LevelMeter::on_theme_changed));
- ColorsChanged.connect (mem_fun (*this, &LevelMeter::color_handler));
+ Config->ParameterChanged.connect (_parameter_connection, invalidator (*this), boost::bind (&LevelMeter::parameter_changed, this, _1), gui_context());
+ UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &LevelMeter::on_theme_changed));
+ ColorsChanged.connect (sigc::mem_fun (*this, &LevelMeter::color_handler));