INotifyPropertyChanging Interface


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Notifies clients that a property value is changing.

Namespace:   System.ComponentModel
Assembly:  System (in System.dll)

public interface INotifyPropertyChanging


Occurs when a property value is changing.

The INotifyPropertyChanging interface is used to notify clients, typically binding clients, that a property value is changing.

INotifyPropertyChanging is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
Available since 5.0
Windows Phone Silverlight
Available since 7.1
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