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Introduction to Visual Basic

Introduction to Visual Basic. Visual - A method used to create GUI applications. BASIC - B eginner’s A ll - purpose S ymbolic I nstruction C ode developed by John Kemeny. VB- Evolved from BASIC language. Developed by Microsoft Corporation in 1990s. Visual Basic Concepts.

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Introduction to Visual Basic

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  1. Introduction to Visual Basic • 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.

  2. 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.

  3. 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.

  4. VB Integrated Development Environment (IDE)

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

  6. Toolbox

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

  8. STYLES of VB IDE. • 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

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