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IsDefined Method

EnumBuilder.IsDefined Method

Checks if the specified custom attribute type is defined.

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

public override bool IsDefined(
	Type attributeType,
	bool inherit
)

Parameters

attributeType
Type: System.Type
The Type object to which the custom attributes are applied.
inherit
Type: System.Boolean
Specifies whether to search this member's inheritance chain to find the attributes.

Return Value

Type: System.Boolean
true if one or more instance of attributeType is defined on this member; otherwise, false.

Implements

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

ExceptionCondition
NotSupportedException

This method is not currently supported in types that are not complete.

As a workaround, to check if a custom attribute is defined for a finished type, retrieve the type using GetType and call GetCustomAttributes on the returned Type.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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