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
Not applicable.



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 Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0