| JUCE
    | 
Receives change event callbacks that are sent out by a ChangeBroadcaster. More...
#include <juce_ChangeListener.h>
| Public Member Functions | |
| virtual | ~ChangeListener ()=default | 
| Destructor. | |
| virtual void | changeListenerCallback (ChangeBroadcaster *source)=0 | 
| Your subclass should implement this method to receive the callback. | |
Receives change event callbacks that are sent out by a ChangeBroadcaster.
A ChangeBroadcaster keeps a set of listeners to which it broadcasts a message when the ChangeBroadcaster::sendChangeMessage() method is called. A subclass of ChangeListener is used to receive these callbacks.
Note that the major difference between an ActionListener and a ChangeListener is that for a ChangeListener, multiple changes will be coalesced into fewer callbacks, but ActionListeners perform one callback for every event posted.
| 
 | virtualdefault | 
Destructor.
| 
 | pure virtual | 
Your subclass should implement this method to receive the callback.
| source | the ChangeBroadcaster that triggered the callback. |