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MemberDescriptor Class

Represents a class member, such as a property or event. This is an abstract base class.

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

[HostProtectionAttribute(SecurityAction.LinkDemand, SharedState = true)]
public abstract class MemberDescriptor


The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: SharedState. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

MemberDescriptor is the base class for the EventDescriptor and the PropertyDescriptor classes. The EventDescriptor class provides a description of an event, and the PropertyDescriptor class provides a description of a property.

This class defines properties and methods to access its stored attributes. The Attributes property gets the collection of attributes. The Category, IsBrowsable, Description, and DesignTimeOnly properties retrieve the values of those specific attributes. The Name and DisplayName properties provide the name of the member.

The MemberDescriptor also defines an Equals method to compare this MemberDescriptor to another.


Typically, you inherit from the EventDescriptor and PropertyDescriptor classes, and not from this class.

Since most of the usage of this class will fall on the inherited classes EventDescriptor and PropertyDescriptor, refer to the examples in these classes.

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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0