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Attribute.IsDefined Method (Module, Type, Boolean)

Determines whether any custom attributes are applied to a module. Parameters specify the module, the type of the custom attribute to search for, and an ignored search option.

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

static member IsDefined : 
        element:Module * 
        attributeType:Type * 
        inherit:bool -> bool 

Parameters

element
Type: System.Reflection.Module
An object derived from the Module class that describes a portable executable file.
attributeType
Type: System.Type
The type, or a base type, of the custom attribute to search for.
inherit
Type: System.Boolean
This parameter is ignored, and does not affect the operation of this method.

Return Value

Type: System.Boolean
true if a custom attribute of type attributeType is applied to element; otherwise, false.

ExceptionCondition
ArgumentNullException

element or attributeType is a null reference (Nothing in Visual Basic).

ArgumentException

attributeType is not derived from Attribute.

This method ignores the inherit parameter and does not search the ancestors of element for custom attributes.

The following code example illustrates the use of IsDefined, taking a Module as a parameter.

No code example is currently available or this language may not be supported.

.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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