The .NET Framework is an integral Windows component that supports building and running desktop applications and Web services. The System.Windows.Forms namespace contains classes for creating Windows based applications that take full advantage of the rich user interface features available in the Microsoft Windows operating system
Controls are objects that are contained within form objects. Most classes within the System.Windows.Forms namespace derive from the Control class. The Control class provides the base functionality for all controls that are displayed on a Form. From the following chapters you can see how to use these controls in your VB.Net applications.