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AttributeUsageAttribute.AllowMultiple Property

Gets or sets a Boolean value indicating whether more than one instance of the indicated attribute can be specified for a single program element.

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

public bool AllowMultiple { get; set; }

Property Value

Type: System.Boolean
true if more than one instance is allowed to be specified; otherwise, false. The default is false.

An attribute that can be specified more than once for a program element is called a multi-use attribute. An attribute that can be specified only once is called a single-use attribute.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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