TypeBuilder.IsDefined Method

Determines whether a custom attribute is applied to the current type.

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

public override bool IsDefined(
	Type attributeType,
	bool inherit
)

Parameters

attributeType
Type: System.Type

The type of attribute to search for. Only attributes that are assignable to this type are returned.

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 instances of attributeType, or an attribute derived from attributeType, is defined on this type; otherwise, false.

Implements

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

ExceptionCondition
NotSupportedException

This method is not currently supported for incomplete types. Retrieve the type using GetType and call IsDefined on the returned Type.

ArgumentException

attributeType is not defined.

ArgumentNullException

attributeType is null.

This method is not supported for incomplete generic type parameters. Retrieve the type using Type.GetType or Assembly.GetType and use reflection on the retrieved type.

.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

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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