INotifyPropertyChanging Interface
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INotifyPropertyChanging Interface

Notifies clients that a property value is changing.

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

public interface INotifyPropertyChanging

The INotifyPropertyChanging type exposes the following members.

Public eventPropertyChangingOccurs when a property value is changing.

The INotifyPropertyChanging interface is used to notify clients, typically binding clients, that a property value is changing.

INotifyPropertyChanging is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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