IsDefined Method (MemberInfo, Type)

CustomAttributeExtensions.IsDefined Method (MemberInfo, Type)

.NET Framework (current version)
 

Indicates whether custom attributes of a specified type are applied to a specified member.

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

public static bool IsDefined(
	this MemberInfo element,
	Type attributeType
)

Parameters

element
Type: System.Reflection.MemberInfo

The member to inspect.

attributeType
Type: System.Type

The type of attribute to search for.

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.

NotSupportedException

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

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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