IsDefined Method (Module, Type, Boolean)

Attribute.IsDefined Method (Module, Type, Boolean)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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)

public static bool IsDefined(
	Module element,
	Type attributeType,
	bool inherit
)

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 null.

ArgumentException

attributeType is not derived from Attribute.

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

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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