Microsoft Visual Basic 2008: Reloaded Third Edition

1. Microsoft Visual Basic 2008: Reloaded Third Edition Chapter Four Making Decisions in a Program

2. Microsoft Visual Basic 2008: Reloaded, Third Edition 2 Objectives After studying this chapter, you should be able to: Include the selection structure in pseudocode and in a flowchart Write an If�Then�Else statement Write code that uses comparison operators and logical operators Create a variable having block scope Concatenate strings

3. Microsoft Visual Basic 2008: Reloaded, Third Edition 3 Objectives (continued) Use the ControlChars.NewLine constant Change the case of a string Generate random numbers

4. Microsoft Visual Basic 2008: Reloaded, Third Edition 4 The Selection Structure Selection structure (or decision structure): Used to select a path to take based on the outcome of a decision or comparison Condition: The decision to be made Results in a Boolean (True or False) answer Four forms of selection structure: If If/Else If/ElseIf/Else Case

5. Microsoft Visual Basic 2008: Reloaded, Third Edition 5 The Selection Structure (continued)