CustomAttributeExtensions.IsDefined Method (ParameterInfo, Type, Boolean)

.NET Framework (current version)
 
System_CAPS_noteNote

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Indicates whether custom attributes of a specified type are applied to a specified parameter, and, optionally, applied to its ancestors.

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

<ExtensionAttribute>
Public Shared Function IsDefined (
	element As ParameterInfo,
	attributeType As Type,
	inherit As Boolean
) As Boolean

Parameters

element
Type: System.Reflection.ParameterInfo

The parameter to inspect.

attributeType
Type: System.Type

The type of attribute to search for.

inherit
Type: System.Boolean

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

Return Value

Type: System.Boolean

true if an attribute of the specified type is applied to element; otherwise, false.

Exception Condition
ArgumentNullException

element or attributeType is null.

ArgumentException

attributeType is not derived from Attribute.

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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