Článek
11/18/2011

ObsoleteAttribute Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Marks the program elements that are no longer in use. This class cannot be inherited.

Inheritance Hierarchy

System.Object
System.Attribute
System.ObsoleteAttribute

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

Syntax

'Declaration
<ComVisibleAttribute(True)> _
<AttributeUsageAttribute(AttributeTargets.Class Or AttributeTargets.Struct Or AttributeTargets.Enum Or AttributeTargets.Constructor Or AttributeTargets.Method Or AttributeTargets.Property Or AttributeTargets.Field Or AttributeTargets.Event Or AttributeTargets.Interface Or AttributeTargets.Delegate, Inherited := False)> _
Public NotInheritable Class ObsoleteAttribute _
    Inherits Attribute

[ComVisibleAttribute(true)]
[AttributeUsageAttribute(AttributeTargets.Class|AttributeTargets.Struct|AttributeTargets.Enum|AttributeTargets.Constructor|AttributeTargets.Method|AttributeTargets.Property|AttributeTargets.Field|AttributeTargets.Event|AttributeTargets.Interface|AttributeTargets.Delegate, Inherited = false)]
public sealed class ObsoleteAttribute : Attribute

The ObsoleteAttribute type exposes the following members.

Constructors

	Name	Description
	ObsoleteAttribute()	Initializes a new instance of the ObsoleteAttribute class with default properties.
	ObsoleteAttribute(String)	Initializes a new instance of the ObsoleteAttribute class with a specified workaround message.
	ObsoleteAttribute(String, Boolean)	Initializes a new instance of the ObsoleteAttribute class with a workaround message and a Boolean value indicating whether the obsolete element usage is considered an error.

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Properties

	Name	Description
	IsError	Gets a Boolean value indicating whether the compiler will treat usage of the obsolete program element as an error.
	Message	Gets the workaround message, including a description of the alternative program elements.

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Methods

	Name	Description
	Equals	Infrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Returns the hash code for this instance. (Inherited from Attribute.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	Match	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

ObsoleteAttribute is applicable to all program elements except assemblies, modules, parameters or return values. Marking an element as obsolete informs the users that the element will be removed in future versions of the product.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

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

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