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Visual Programming Lecture.pptx

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Visual Programming Lecture.pptx

  1. 1. Graphical Programming Visual Basic Visual Programming
  2. 2. Visual Basic: • It was developed in 1992 by a Microsoft company. • VB is a tool that allows you to develop windows(GUI-Graphical user Interface) applications. • VB consists of two parts: Visual Part: This part refers to the method used to create GUI. Basic Part : This part refers to the basic language. VB is the much-enhanced versions of the Basic programming language. VB contains large numbers of statements, built in function and keywords, many of which related directly to the windows GUI. • VB is an object-oriented programming development system for creating applications for Microsoft windows.
  3. 3. VB • VB has two components: An extensive collection of prewritten tools called controls in the form of icons. Some example of controls are command buttons, textboxes , option buttons , check boxes etc. A complete set of program commands, drived from basic programming language.
  4. 4. VB • Microsoft visual programming is a computer programming language used to create programs or application for Microsoft windows operating system. • It is very easy language to create effective application. • Visual basics provide many tools that help the programmer to develop programs easily and quickly. • Visual basic is an event driven programming language. • It can be used to write programs that respond to different events such as pressing a button or clicking the mouse etc. • It can be used to build the graphical user interface by dragging and dropping different objects like buttons and textboxes.
  5. 5. Object related concepts in VB • The objects related concepts in VB are: a) Forms: In VB, a window is called a form. All application in VB used at least one form. You can place various controls on the form. Each forms contain a title bar.
  6. 6. Continue: • Controls: The icons with which the user interacts are called controls. Checkboxes , textboxes are commands. • Objects Forms and controls are referred to collectively as objects. • Properties: A property is a characteristics of an objects such as its size, its caption or its color etc. size , color are properties
  7. 7. Features of VB: Features of visual basics are: • Easy to learn and use : The syntaxes of VB commands are so simple that you can use the commands very easily. It is useful for most general-purpose programming problems. • Build in capability to create User Interface : VB has built in capability to create the user interface. You can create the user interface by using the tools available with VB. • Quick Development : As VB has a built-in capability to design the user interface so obviously the programming time is reduced as compared to other command line programming languages. • Event driven Programming: VB supports event driven programming. • Common Programming Platform: It provides a common programming platform across all MS-Office applications. • Wizards: It also provides many wizards that can automate tasks are even automate coding.
  8. 8. Visual Basic Integrated Development Environment(IDE) • Once you start VB, several different items appear on your screen. Together these items represent the VB IDE.

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