Visual Basic Run-Time Library Members
The Microsoft.VisualBasic namespace contains the classes, modules, constants, and enumerations that constitute the Visual Basic run-time library. These library members provide procedures, properties, and constant values you can use in your code. Each module and class represents a particular category of functionality.
The Microsoft.VisualBasic namespace provides constants and enumerations as part of the Visual Basic run-time library. You can use these constant values in your code. Each enumeration represents a particular category of functionality. For more information, see Constants and Enumerations (Visual Basic).