INotifyPropertyChanged.PropertyChanged Event (System.ComponentModel)

Switch View

PropertyChanged Event

Collapse All

Language Filter

This page is specific to

Microsoft Silverlight 3

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

Visual Basic (Usage)

Dim instance As INotifyPropertyChanged
Dim handler As PropertyChangedEventHandler

AddHandler instance.PropertyChanged, handler

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.

Platforms

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

Reference

INotifyPropertyChanged Interface

INotifyPropertyChanged Members

System.ComponentModel Namespace

PropertyChangedEventArgs

Other Resources

Data Binding