VB is a visual, object-oriented structured high-level programming language, using a event-driven high-level approach. It can be used to develop various types of Windows environments applications. It is easy to learn, efficient, and powerful. It can be compared with the Windows Professional Development Tools SDK. In the Visual Basic environment, the use of event-driven programming mechanisms, novel-to-use visual design tools, the use of Windows within the wide range of application programming interfaces (API) function to use dynamic-link library (DLL), Object Linking and World compartment embedding (OLE), Open Data Connection (ODBC) and other technologies can help to develop a powerful application software system with rich graphical interface efficiently and quickly.