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PropertyDescriptor.AddValueChanged Method

Enables other objects to be notified when this property changes.

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

public virtual void AddValueChanged (
	Object component,
	EventHandler handler
public void AddValueChanged (
	Object component, 
	EventHandler handler
public function AddValueChanged (
	component : Object, 
	handler : EventHandler
Not applicable.



The component to add the handler for.


The delegate to add as a listener.

Exception typeCondition


component or handler is a null reference (Nothing in Visual Basic).

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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