IndexAttribute Class

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Specifies an additional index on a local database table.

Inheritance Hierarchy

System..::.Object
  System..::.Attribute
    Microsoft.Phone.Data.Linq.Mapping..::.IndexAttribute

Namespace:  Microsoft.Phone.Data.Linq.Mapping
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

Syntax

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

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

The IndexAttribute type exposes the following members.

Constructors

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

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Properties

	Name	Description
	Columns	Gets or sets the columns on which the index is based.
	IsUnique	Gets or sets a value that indicates whether the index is unique, in which no two rows are permitted to have the same index key value.
	Name	Gets or sets the name of the index.

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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

For information about using a local database in your Windows Phone application, see Local database for Windows Phone 8.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0

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.

See Also

Reference

Microsoft.Phone.Data.Linq.Mapping Namespace