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TypeDelegator.IsDefined Method

Indicates whether a custom attribute identified by attributeType is defined.

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

public override bool IsDefined(
	Type attributeType,
	bool inherit
)

Parameters

attributeType
Type: System.Type

Specifies whether to search this type's inheritance chain to find the attributes.

inherit
Type: System.Boolean

An array of custom attributes identified by type.

Return Value

Type: System.Boolean
true if a custom attribute identified by attributeType is defined; otherwise, false.

Implements

ICustomAttributeProvider.IsDefined(Type, Boolean)
_MemberInfo.IsDefined(Type, Boolean)

ExceptionCondition
ArgumentException

attributeType is null.

ReflectionTypeLoadException

The custom attribute type cannot be loaded.

.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

.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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