PropertyChanged Event
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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)

'Declaration
Event PropertyChanged As PropertyChangedEventHandler

The PropertyChanged event can indicate that all properties on the object have changed by using either Nothing 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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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