Attribute.IsDefined Method (Assembly, Type)

July 28, 2014

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

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

'Declaration
Public Shared Function IsDefined ( _
	element As Assembly, _
	attributeType As Type _
) As Boolean

Parameters

element
Type: System.Reflection.Assembly
An object derived from the Assembly class that describes a reusable collection of modules.
attributeType
Type: System.Type
The type, or a base type, of the custom attribute to search for.

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 Nothing.

ArgumentException

attributeType is not derived from Attribute.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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