§Visual - A method used to create GUI applications. §BASIC - Beginner’s All - purpose Symbolic Instruction Code developed by John Kemeny. §VB- Evolved from BASIC language. §Developed by Microsoft Corporation in 1990s.

Visual Basic Concepts §Rapid Application Development (RAD) RAD is possible through RAD tools. §VB is a RAD tool for Windows Programmers. §Event- An Event refers to the occurrence of an activity. §Event driven Programming - It is an approach that revolves around recognising the occurrence of events and responding to them by taking appropriate actions.

Features of VB 6.0 §Successor of BASIC language. §Supports Event driven Programming. §Common Programming Platform. §Quick Development. §Wizard facility. §ActiveX Support. §N- Tier Architecture §Quick Error Detection/Correction.

VB Integrated Development Environment (IDE)

Tool Box Form Properties Window Project Explorer Properties Run Project Explorer The Elements of VB IDE are Tool Box Form Properties Window Project Explorer Properties Run Project Explorer Form Designer

Toolbox

Pointer Picture Box Label Box Text Box Command Button Option button Frame Check box Combo Box Horizontal Scrollbar List box Vertical Scrollbar Timer Shape DirList box DriveList box Line FileList box OLE Image Data The Toolbox Controls

§Single Document Interface (SDI) Allows to open only one data document at a time.Example Notepad Application. §Multiple Document Interface(MDI) Allows to open only multiple data documents within the same application.Example Word Application STYLES of VB IDE.