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_Assembly.IsDefined Method

Provides COM objects with version-independent access to the IsDefined method.

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

bool IsDefined(
	Type attributeType,
	bool inherit
)

Parameters

attributeType
Type: System.Type
The Type of the custom attribute to be checked for this assembly.
inherit
Type: System.Boolean
This argument is ignored for objects of this type.

Return Value

Type: System.Boolean
true if a custom attribute identified by the specified Type is defined; otherwise, false.

This method is for access to managed classes from unmanaged code, and should not be called from managed code.

The IsDefined method indicates whether a custom attribute identified by the specified Type is defined.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.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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