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ExtenderProvidedPropertyAttribute Class

Specifies a property that is offered by an extender provider. This class cannot be inherited.

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

public sealed class ExtenderProvidedPropertyAttribute : Attribute

The ExtenderProvidedPropertyAttribute is injected automatically by the TypeDescriptor class on properties that are exposed as extended properties.


Do not use this attribute on your properties. Instead, use the ProvidePropertyAttribute on a type that implements the IExtenderProvider interface. For more information, see Extender Providers.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0