Programming with Microsoft Visual Basic 2017
8th Edition
ISBN: 9781337102124
Author: Diane Zak
Publisher: Cengage Learning
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Question
Chapter 8, Problem 3E
Program Plan Intro
Form design:
- Open Microsoft Visual Studio.
- Select Visual Basic and click Windows Application.
- Name the project as “Gross Pay Project”.
- Store the file in desired location.
- The created project is now displayed with a form in the name of Form1.
- Rename the Form1 as “Main Form” and add the necessary components.
- In property window, change the Form name and add changes for Form elements properties.
- Click the File menu->Save All.
View of the form design in the IDE:
The form control properties in the properties window are as follows:
| Object | Property | Setting |
| Form1 | Text | Gross Pay Calculator |
| lstCodes | Items | Pay code values |
| txtHours | Text | (Empty) |
| lblGross | Text | (Empty) |
| btnCalc | Text | Calculate |
| btnExit | Text | Exit |
- Add a necessary text box control and list box control to get hours and pay code detail.
- Add a button control to compute the gross pay and add another button to exit the program.
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7. Character AnalysisIf you have downloaded the source code you will find a file named text.txt in the Chapter 08 folder. Write a program that reads the file’s contents and determines the following:
The number of uppercase letters in the file
The number of lowercase letters in the file
The number of digits in the file
The number of whitespace characters in the file
Provide the full blue terminal commands & output and other things that are useful
Homework
You have the row vector (A) that has values from (-100 to 100),
write MATLAB codes to:
(1) Interchange the first 10 elements with last ten elements.
(2) Replace the elements at indices (93,9,17,50) of A with 99.
(3) Return the second element and the element before the last
of A as a column vector (C1).
(4) Extract the first five elements and the last five elements of A
and append them as a row vector (R).
(5) Set the elements of A with odd indices to zeros(0).
Chapter 8 Solutions
Programming with Microsoft Visual Basic 2017
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