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PropertyChanging Event
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INotifyPropertyChanging.PropertyChanging Event

Occurs when a property value is changing.

Namespace:  System.ComponentModel
Assemblies:   System (in System.dll)
  System.ObjectModel (in System.ObjectModel.dll)

event PropertyChangingEventHandler PropertyChanging

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5 SP1, 3.0 SP1, 2.0 SP1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8
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