TypeBuilder.IsDefined(Type, Boolean) Method

Reference

Definition

Namespace:: System.Reflection.Emit

Assemblies:: netstandard.dll, System.Reflection.Emit.dll

Assembly:: System.Reflection.Emit.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Package:: System.Reflection.Emit v4.7.0

Source:: TypeBuilder.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

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

public:
 override bool IsDefined(Type ^ attributeType, bool inherit);

public override bool IsDefined(Type attributeType, bool inherit);

override this.IsDefined : Type * bool -> bool

Public Overrides Function IsDefined (attributeType As Type, inherit As Boolean) As Boolean

Parameters

attributeType: Type

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

inherit: Boolean

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

Returns

Boolean

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

Exceptions

NotSupportedException

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

ArgumentException

attributeType is not defined.

ArgumentNullException

attributeType is null.

Remarks

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.

Applies to

Product	Versions
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0 (package-provided), 2.1

Share via