AttributeUsage Attribute

AttributeUsage Attribute

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Class

System.AttributeUsageAttribute

Applies to

Class

Description

Defines the program elements to which a custom attribute can be applied. Its use is required when defining a custom attribute.

Constructor

 New(   validOn   ) 

validOn ( System.AttributeTargets )

Indicates the program elements to which a custom attribute can be applied. Possible values are All , Assembly , Class , Constructor , Delegate , Enum , Event , Field , Interface , Struct , Method , Module , Parameter , Property , and ReturnValue .

Properties

AllowMultiple (Boolean)

Indicates whether the attribute can be used more than once on a single program element. Its default value is False .

Inherited (Boolean)

Indicates whether attribute is automatically inherited by derived classes and overridden members . Its default value is True .

ValidOn ( AttributeTargets enumeration)

Read-only. Indicates the program elements to which the attribute can be applied. Its value is set by the required validon parameter of the class constructor.

Example

See Section 8.2 in Chapter 8 for more details and an example.