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   | java.lang.Object | ||
| ↳ | java.util.EventObject | |
| ↳ | java.util.prefs.PreferenceChangeEvent | |
This is the event class to indicate that a preference has been added, deleted or updated.
 Please note that although the class is marked as Serializable by inheritance from EventObject, this type is not intended to be serialized so the serialization methods do nothing but throw a NotSerializableException.
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           Inherited Fields
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|  From class java.util.EventObject | |||||||||||
| Public Constructors | |||||||||||
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|  | 
           Construct a new 
            PreferenceChangeEventinstance. | ||||||||||
| Public Methods | |||||||||||
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           Gets the key of the changed preference.
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           Gets the new value of the changed preference or 
            nullif the preference has been removed. | ||||||||||
|  | 
           Gets the 
            Preferencesinstance that fired this event. | ||||||||||
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           Inherited Methods
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|  From class java.util.EventObject | |||||||||||
|  From class java.lang.Object | |||||||||||
Construct a new PreferenceChangeEvent instance.
| p | the Preferencesinstance that fired this event; this object is considered as the event's source. | 
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| k | the changed preference key. | 
| v | the new value of the changed preference, this value can be null, which means the preference has been removed. | 
Gets the key of the changed preference.
Gets the new value of the changed preference or null if the preference has been removed.
null if the preference has been removed. Gets the Preferences instance that fired this event.
Preferences instance that fired this event.