VISUAL  COMPUTING

MCA 4.1

 

 

Introduction : Introduction to Visual Language. Features of visual language. Environment and application area of Visual language. Introduction to Project, Form, Objects, Properties, Methods, Events. Overview to main screen. Title Bar. Tool Box. Customize the form (Command button, text box, check box, option button, label OLE, data control etc.)

 

Program Elements: Data types, Variables, Constants, Statements, Writing Codes behind visual objects. Use of Procedures and functions, (In Built / User Defined). Decision making, Looping, Branching, Switching, Arrays, Modules.

 

Visual Programming: Creating forms, add object to form, writing code behind the objects, compile & run the program. Convert to EXE form. Use the menu bar with form. Developing MDI forms in project.

 

Data Base Programming: Use of data Source object to link forms with table. Attach database objects with tables. Append, deletion, editing, searching, querying operation of data base. Use SQL.

 

OOPs with VB: Making OOPs With Visual basic. Understanding user defined types. Making objects from classes. Creating a class in VB. Adding properties to class. Creating an object from a class making Active X DLL. Working with components.

 

Active X controls: Creating an Active X control. Understanding user control object, adding user control to a form, adding functionality to an Active X control, compiling custom Active X control.