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PropertyChanged Event
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INotifyPropertyChanged.PropertyChanged Event

Occurs when a property value changes.

Namespace:  System.ComponentModel
Assemblies:   System (in System.dll)
  System.ObjectModel (in System.ObjectModel.dll)

event PropertyChangedEventHandler PropertyChanged

The PropertyChanged event can indicate all properties on the object have changed by using either null or String.Empty as the property name in the PropertyChangedEventArgs.

The following code example demonstrates how to implement the PropertyChanged event of the INotifyPropertyChanged interface.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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