INotifyPropertyChanged.PropertyChanged Event

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Occurs when a property value changes.

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

Syntax

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

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

See Also

Reference

INotifyPropertyChanged Interface

System.ComponentModel Namespace

PropertyChangedEventArgs

Other Resources

Data binding for Windows Phone 8