Method addCheckButton

pure/runtime.cc:17218–17219

void PureFaustUI::addButton(const char* label, double* zone)
{ add_elem(UI_BUTTON, label, zone); }
void PureFaustUI::addCheckButton(const char* label, double* zone)
{ add_elem(UI_CHECK_BUTTON, label, zone); }
void PureFaustUI::addVerticalSlider(const char* label, double* zone, double init, double min, double max, double step)
{ add_elem(UI_V_SLIDER, label, zone, init, min, max, step); }
void PureFaustUI::addHorizontalSlider(const char* label, double* zone, double init, double min, double max, double step)