title NotInheritable (Visual Basic) ms.date 07/20/2015 ms.prod .net ms.suite ms.technology devlang-visual-basic ms.topic article f1_keywords NotInheritable vb.NotInheritable helpviewer_keywords classes [Visual Basic], final NotInheritable keyword [Visual Basic] classes [Visual Basic], sealed elements [Visual Basic], sealed sealed [elements VB] inheritance [Visual Basic], NotInheritable keyword final classes [Visual Basic] sealed classes [Visual Basic] classes [Visual Basic], not inheritable ms.assetid 5c4da7c9-9562-4653-a947-1972e992f9f9 caps.latest.revision 9 author dotnet-bot ms.author dotnetcontent NotInheritable (Visual Basic) Specifies that a class cannot be used as a base class. Remarks Alternate Terms. A class that cannot be inherited is sometimes called a sealed class. The NotInheritable modifier can be used in this context: Class Statement See Also Inherits Statement MustInherit Keywords