This documentation is archived and is not being maintained.

FieldBuilder.IsDefined Method

Indicates whether an attribute having the specified type is defined on a field.

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

public override bool IsDefined (
	Type attributeType,
	bool inherit
public boolean IsDefined (
	Type attributeType, 
	boolean inherit
public override function IsDefined (
	attributeType : Type, 
	inherit : boolean
) : boolean



The type of the attribute.


Controls inheritance of custom attributes from base classes.

Return Value

true if one or more instance of attributeType is defined on this field; otherwise, false.

Exception typeCondition


This method is not currently supported. Retrieve the field using GetField and call IsDefined on the returned FieldInfo.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0