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INotifyPropertyChanged.PropertyChanged Event

.NET Framework 4.5

Occurs when a property value changes.

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

event PropertyChangedEventHandler PropertyChanged

Remarks

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.

Examples

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

Version Information

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

INotifyPropertyChanged Interface

System.ComponentModel Namespace

PropertyChangedEventArgs

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