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DependencyPropertyChangedEventArgs.DependencyPropertyChangedEventArgs Constructor

Initializes a new instance of the DependencyPropertyChangedEventArgs class.

Namespace: System.Windows
Assembly: WindowsBase (in windowsbase.dll)

DependencyPropertyChangedEventArgs (
	DependencyProperty^ property, 
	Object^ oldValue, 
	Object^ newValue
public DependencyPropertyChangedEventArgs (
	DependencyProperty property, 
	Object oldValue, 
	Object newValue
public function DependencyPropertyChangedEventArgs (
	property : DependencyProperty, 
	oldValue : Object, 
	newValue : Object
You cannot use constructors in XAML.



The identifier for the dependency property that changed.


The value of the property before the change reported by the relevant event or state change.


The value of the property after the change reported by the relevant event or state change.

Implementers of custom events that report dependency property changes should use this constructor for populating the event data with the specifics of the change when the event is raised.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0