Preferences.IPropertyChangeListener (Eclipse Platform API Specification)

All Superinterfaces:

EventListener

All Known Implementing Classes:

AntCorePreferences

Enclosing class:

Preferences

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public static interface Preferences.IPropertyChangeListener
extends EventListener
```
Listener for property changes.
Usage:
```
 Preferences.IPropertyChangeListener listener =
   new Preferences.IPropertyChangeListener() {
      public void propertyChange(Preferences.PropertyChangeEvent event) {
         ... // code to deal with occurrence of property change
      }
   };
 emitter.addPropertyChangeListener(listener);
 ...
 emitter.removePropertyChangeListener(listener);
 
```
Note: Depending on the means in which the property values changed, the old and new values for the property can be either typed, a string representation of the value, or null. Clients who wish to behave properly in all cases should all three cases in their implementation of the property change listener.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void propertyChange(Preferences.PropertyChangeEvent event)
  Notification that a property has changed.

- Method Detail
  - propertyChange
```
void propertyChange(Preferences.PropertyChangeEvent event)
```
    Notification that a property has changed.
    This method gets called when the observed object fires a property change event.
    
    Parameters:
    
    event - the property change event object describing which property changed and how