RequiresPreviewFeaturesAttribute Class

Reference

Definition

Namespace:: System.Runtime.Versioning

Assembly:: System.Runtime.dll

Source:: RequiresPreviewFeaturesAttribute.cs

Source:: RequiresPreviewFeaturesAttribute.cs

Source:: RequiresPreviewFeaturesAttribute.cs

Important

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Indicates that an API is in preview. This attribute allows call sites to be flagged with a diagnostic that indicates that a preview feature is used. Authors can use this attribute to ship preview features in their assemblies.

public ref class RequiresPreviewFeaturesAttribute sealed : Attribute

[System.AttributeUsage(System.AttributeTargets.Assembly | System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Module | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)]
public sealed class RequiresPreviewFeaturesAttribute : Attribute

[<System.AttributeUsage(System.AttributeTargets.Assembly | System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Module | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)>]
type RequiresPreviewFeaturesAttribute = class
    inherit Attribute

Public NotInheritable Class RequiresPreviewFeaturesAttribute
Inherits Attribute

Inheritance: Object

Attribute
RequiresPreviewFeaturesAttribute

Attributes: AttributeUsageAttribute

Remarks

RequiresPreviewFeaturesAttribute marks an API as requiring preview functionality from the .NET runtime, its core libraries, and the compilers. This API is intended for platform-provided functionality and generally shouldn't be used in user code.

If you want to ship preview functionality in your own libraries, use ExperimentalAttribute instead.

For more information about marking APIs as preview, see Preview APIs.

Constructors

RequiresPreviewFeaturesAttribute()	Initializes a new instance of the RequiresPreviewFeaturesAttribute class.
RequiresPreviewFeaturesAttribute(String)	Initializes a new instance of the RequiresPreviewFeaturesAttribute class with the specified message.

Properties

Message	Gets the optional message associated with this attribute instance.
TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute)
Url	Gets or sets the optional URL associated with this attribute instance.

Methods

Equals(Object)	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute)
GetHashCode()	Returns the hash code for this instance. (Inherited from Attribute)
GetType()	Gets the Type of the current instance. (Inherited from Object)
IsDefaultAttribute()	When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute)
Match(Object)	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)

Applies to

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