ExtensionCriteriaAttribute Class

Article
2012-11-05

Represents the extension criteria attribute.

Inheritance Hierarchy

System.Object
System.Attribute
Microsoft.Data.Schema.Extensibility.ExtensionCriteriaAttribute

Namespace: Microsoft.Data.Schema.Extensibility
Assembly: Microsoft.Data.Schema (in Microsoft.Data.Schema.dll)

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Assembly, Inherited := False, AllowMultiple := True)> _
Public NotInheritable Class ExtensionCriteriaAttribute _
    Inherits Attribute

[AttributeUsageAttribute(AttributeTargets.Assembly, Inherited = false, AllowMultiple = true)]
public sealed class ExtensionCriteriaAttribute : Attribute

[AttributeUsageAttribute(AttributeTargets::Assembly, Inherited = false, AllowMultiple = true)]
public ref class ExtensionCriteriaAttribute sealed : public Attribute

[<Sealed>]
[<AttributeUsageAttribute(AttributeTargets.Assembly, Inherited = false, AllowMultiple = true)>]
type ExtensionCriteriaAttribute =  
    class
        inherit Attribute
    end

public final class ExtensionCriteriaAttribute extends Attribute

The ExtensionCriteriaAttribute type exposes the following members.

Constructors

	Name	Description
	ExtensionCriteriaAttribute	Initializes a new instance of the ExtensionCriteriaAttribute class.

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Properties

	Name	Description
	AllowMultipleExtensions	Gets or sets a value that indicates whether these extension criteria allow multiple extensions to be loaded for these criteria.
	CriteriaBaseType	Gets the criteria base type.
	DefaultExtension	Gets or sets the default extension.
	MarkerAttributeType	Gets or sets the marker attribute type.
	ProxyType	Gets or sets the proxy type.
	TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)

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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 it 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.)
	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	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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Explicit Interface Implementations

	Name	Description
	_Attribute.GetIDsOfNames	Maps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
	_Attribute.GetTypeInfo	Retrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
	_Attribute.GetTypeInfoCount	Retrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
	_Attribute.Invoke	Provides access to properties and methods exposed by an object. (Inherited from Attribute.)

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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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