CustomAttributeExtensions.GetCustomAttributes<T> Method (ParameterInfo, Boolean)

.NET Framework (current version)

Retrieves a collection of custom attributes of a specified type that are applied to a specified parameter, and optionally inspects the ancestors of that parameter.

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

public static IEnumerable<T> GetCustomAttributes<T>(
	this ParameterInfo element,
	bool inherit
where T : Attribute


Type: System.Reflection.ParameterInfo

The parameter to inspect.

Type: System.Boolean

true to inspect the ancestors of element; otherwise, false.

Return Value

Type: System.Collections.Generic.IEnumerable<T>

A collection of the custom attributes that are applied to element and that match T, or an empty collection if no such attributes exist.

Type Parameters


The type of attribute to search for.

Exception Condition

element is null.


element is not a constructor, method, property, event, type, or field.


A custom attribute type cannot be loaded.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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