INotifyPropertyChanged.PropertyChanged Event (System.ComponentModel)

PropertyChanged Event

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This page is specific to

Microsoft Silverlight

Other versions are also available for the following:

.NET Framework Class Library for Silverlight

INotifyPropertyChanged..::.PropertyChanged Event

Occurs when a property value changes.

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

Syntax

Visual Basic (Declaration)

Event PropertyChanged As PropertyChangedEventHandler

event PropertyChangedEventHandler PropertyChanged

Remarks

The PropertyChanged event can indicate that all properties on the object have changed by using either nullNothingnullptra null reference (Nothing in Visual Basic) or String..::.Empty for the PropertyName property of the PropertyChangedEventArgs.

In data binding, raise PropertyChanged on the data source to cause updates to propagate to the target.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Reference

INotifyPropertyChanged Interface

System.ComponentModel Namespace

PropertyChangedEventArgs

Other Resources

Data Binding