{
_screen_update_connection.disconnect();
_screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect (mem_fun(*this, &LXVSTPluginUI::resize_callback));
{
_screen_update_connection.disconnect();
_screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect (mem_fun(*this, &LXVSTPluginUI::resize_callback));