b addListener(ControlListener) 
controlP5.Controller : Knob addListenerFor(int, CallbackListener) 
controlP5.Controller : Knob align(int, int, int, int) 
controlP5.Controller : Knob bringToFront() 
controlP5.Controller : Knob bringToFront(ControllerInterface) 
controlP5.Controller : Knob hide() 
controlP5.Controller : Knob linebreak() 
controlP5.Controller : Knob listen(boolean) 
controlP5.Controller : Knob lock() 
controlP5.Controller : Knob onChange(CallbackListener) 
controlP5.Controller : Knob onClick(C