PropertyChangeNotifier Class Reference

Helper to not root (keep alive) the target object if registering on value change events. More...

Public Member Functions
	PropertyChangeNotifier (DependencyObject propertySource, string path)
	Creates the notifier from the given propertySource and its property path .
	PropertyChangeNotifier (DependencyObject propertySource, DependencyProperty property)
	Creates the notifier from the given propertySource and its property .
	PropertyChangeNotifier (DependencyObject propertySource, PropertyPath property)
	Creates the notifier from the given propertySource and its property path.
void	Dispose ()
	Clears the binding.

Static Public Attributes
static readonly DependencyProperty	ValueProperty
	Identifies the Value dependency property.

Properties
DependencyObject	PropertySource [get]
	Gets the property source object or null if it doesn't exist.
object	Value [get, set]
	Returns/sets the value of the property.

Events
EventHandler< PropertyValueChangedEventArgs< object > >	ValueChanged
	The event to notify on registered property value change.

Detailed Description

Helper to not root (keep alive) the target object if registering on value change events.

Code is based on https://agsmith.wordpress.com/2008/04/07/propertydescriptor-addvaluechanged-alternative/.

Constructor & Destructor Documentation

PropertyChangeNotifier() [1/3]

PropertyChangeNotifier	(	DependencyObject	propertySource,
		string	path )

Creates the notifier from the given propertySource and its property path .

Parameters

propertySource	Object to register event on.
path	Path to the property to get notified on.

PropertyChangeNotifier() [2/3]

PropertyChangeNotifier	(	DependencyObject	propertySource,
		DependencyProperty	property )

Creates the notifier from the given propertySource and its property .

Parameters

propertySource	Object to register event on.
property	Property to get notified on.

PropertyChangeNotifier() [3/3]

PropertyChangeNotifier	(	DependencyObject	propertySource,
		PropertyPath	property )

Creates the notifier from the given propertySource and its property path.

Parameters

propertySource	Object to register event on.
property	Property path to get notified on.

Property Documentation

Value

object Value

getset

Returns/sets the value of the property.

See also

ValueProperty

Event Documentation

ValueChanged

EventHandler<PropertyValueChangedEventArgs<object> > ValueChanged

The event to notify on registered property value change.

The sender is this object.