1. Review for Mid-term! October 26, 2009

2. Review Homework Worksheet True or False Operators are symbols that perform specific operations in Visual Basic statements. True or False Text boxes are fields on a form that allow the user to enter a value. True or False Text boxes store user input in a numeric format. True or False The backslash character is used for integer division. True or False The Val function truncates the fractional part of a number. True or False In Visual Basic an expression cannot take up more than one line.

3. List the seven mathematical operators covered in today’s lesson. = Assignment* Multiplication + Addition- Subtraction / Division\ Integer Division Mod Modulus (for remainder) What are the differences between the forward slash and backslash? The forward slash (/) is used for normal divison and the backslash (\) is used for integer division Which operator returns the remainder of integer division? The Mod or Modulus operator Which character is used as the line-continuation character? The Underscore ( _ )

4. Using Multiple Forms VB allows you to work with multiple forms! Common uses are: – Dialog boxes (appears in Windows) – Splash Screens (is a window that appears briefly when a program is started.) – About boxes (is a window that provides information about the program.) – Or just simply another form!

5. Adding another form Complete the following steps: 1.Open VB. 2.Open your project. 3.Add a command button similiar to the one below:

6. Right click on Form1 in the Project Explorer. Choose Add and than choose Form. See below:

7. Choose Form and click Open. See below: You should see another form on your screen. Form 2

8. Double click the Next Page command button on Form1. Enter the following code to display Form2 when press and Form1 disappears. Form2.Show Form1.Hide Run your program. Do you get Form2 when you click the button?

9. How do you get to back to the first form? On Form2 enter a command button. Double click the Back button and enter the following code: Form1.show Form2.hide Run your program. Is it working correctly?

10. Having problems seeing the correct form when you run your program? Setting Project Properties: 1. Right click on Forms in Project Explorer.

11. You should get: Make sure that in the Startup Object box you have Form1. Your program should work now!

12. Continue working on your Halloween Program! Due in 4 days......