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Creating Custom Attributes in Visual Basic .NET

Oct 11, 2002

📄 Contents

␡

Creating the Attribute Project
Applying the AttributeUsageAttribute
Inheriting from System.Attribute
Defining a Constructor and Positional Arguments
Defining Named Arguments
Testing the Attribute
Summary

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Inheriting from `System.Attribute`

Attributes inherit from System.Attribute. No further elaboration is necessary, other than to point out that true inheritance is new to Visual Basic .NET. Listing 3 shows the updated code and the proper way to express inheritance in Visual Basic .NET.

Listing 3—Inheriting from `System.Attribute`

<AttributeUsage(AttributeTargets.Property, _
 Inherited:=True, AllowMultiple:=True)> _
Public Class ControlDesignerAttribute
 Inherits System.Attribute

End Class

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