Attribute.GetCustomAttributes Method (ParameterInfo, Type, Boolean)

Retrieves an array of the custom attributes applied to a method parameter. Parameters specify the method parameter, the type of the custom attribute to search for, and whether to search ancestors of the method parameter.

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

public static Attribute[] GetCustomAttributes(
	ParameterInfo element,
	Type attributeType,
	bool inherit


Type: System.Reflection.ParameterInfo
An object derived from the ParameterInfo class that describes a parameter of a member of a class.
Type: System.Type
The type, or a base type, of the custom attribute to search for.
Type: System.Boolean
If true, specifies to also search the ancestors of element for custom attributes.

Return Value

Type: System.Attribute[]
An Attribute array that contains the custom attributes of type attributeType applied to element, or an empty array if no such custom attributes exist.


element or attributeType is null.


attributeType is not derived from Attribute.


A custom attribute type cannot be loaded.

If element represents a parameter in a method of a derived type, the return value includes the inheritable custom attributes applied to the same parameter in the overridden base methods.


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.