UNIV4VINU | ENGINEERING ACHIEVERS

ANNA UNIVERSITY : CHENNAI – 600 025.

MODEL QUESTION PAPER

V SEMESTER

B.TECH. INFORMATION TECHNOLOGY

IF353 - VISUAL PROGRAMMING

Time: 3 Hours Max. Marks: 100

Answer All Questions

PART-A ( 10 x 2 = 20 Marks)

1. Why does End not terminate an application properly? End seems to work fine

without the extra unload statement.

2. What is the maximum size of an array that VB 6.0 can handle?

3. State the difference between ActiveX EXE and ActiveX DLL in Visual Basic.

4. Does VB do classes or Object Oriented Programming? I have seen people arguing

over whether VB is an object oriented language. What is the answer (and Why)?

5. How do you speed up VB programs?

6. What is the Win32 API? How does Win 32 differ from the Win 16 API?

7. Should I use Visual C++ or Visual Basic? Which one is better?

8. Define Device Context?

9. What is meant by Handle?

10. Why is a CpaintDC created and used for WM-PAINT messages instead of a

normal CDC object?

PART-B (5 x 16 = 80 Marks)

11.a) Develop an application using ADO to update certain fields of passenger details

table and to add, delete the records in the database. Display a list of records, which

display the name, age and sex of all passengers tr aveling in a certain train on a

particular date.

12.a)i) Write a calculator program in VB which will let me type in “(1+1)*(2-3)”

ii) Accept a number from the user. Calculate and display the factorial using functions.

(OR)

12.b) Write an application that uses the Common Dialog Boxes for Font, Color and

File. Also have an option for changing the background color of the form with the

color toolbar buttons provided and create a status bar to display the status of

CAPSLOCK and NUMLOCK.

13.a) Build a form which accepts the following details:

* Customer ID * Age

* Name * City

* Sex * Phone

And the results should be saved in a text file called “custdetails.txt”. By using

Random and Binary File access. Methods to read, write and delete the records in a

file.

(OR)

13.b) Build a form, which accepts the following details :

* Employee ID * Employee Name * Basic

* Grade * HRA * Allowance

The user is allowed to enter the following data :

Employee ID, Name, Basic, Grade

HRA is 40% of Basic

Allowance is 250 for Grade I

500 for Grade II

Develop an ActiveX DLL to calculate the Net Salar y.

14.a) Develop a windows GDI Pen Object application to draw Rectangle, Ellipse and

Line objects and using Brush object to fill the area of the above objects.

(OR)