Inheritance and the .NET Framework
Visual Studio .NET applications can use many of the classes found in the .NET Framework as base classes. Attribute classes, for instance, are always based on the class
The .NET Framework is more than a source for base classes; it ensures compatibility between classes created with different programming languages. Visual Basic .NET classes can inherit from classes in assemblies created by any language supported by Visual Studio .NET. The classes you create in Visual Basic .NET can also be used as base classes by other .NET programming languages.