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AttributeUsageAttribute.AllowMultiple Property

.NET Framework 4.5

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)
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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, 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

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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