List boxes:

List box controls help to show the list of items which enables the user to choose an item from the list.

• The user may choose one of the items from the list, causing the item to appear selected at runtime.

• The selected items will be displayed on ListBox control.

Get the items from ListBox control:

The item which is selected by user from ListBox is stored into ListBox’s SelectedItem property.

Steps to determine the selected item in Listbox:

• If anyone tries to get the value when ListBox’s SelectedItem is empty, then it will occur with an exception.

○ To prevent this type of exception with help of “SelectedIndex” property...

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Chapter 4, Problem 9SA

Chapter 4, Problem 1AW

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Chapter 4 Solutions

Starting out with Visual C# (4th Edition)

Ch. 4.1 - What is a control structure?Ch. 4.1 - What is a decision structure?Ch. 4.1 - Prob. 4.3CP Ch. 4.1 - Prob. 4.4CP Ch. 4.1 - What types of relationships between numeric values...Ch. 4.1 - Write an if statement that determines whether the...Ch. 4.1 - Write an if statement that determines whether the...Ch. 4.2 - Prob. 4.8CP Ch. 4.2 - In an if-else statement, under what circumstances...Ch. 4.2 - Write an if-else statement that works like this:...

Ch. 4.3 - Convert the following set of nested if-else...Ch. 4.4 - Prob. 4.12CP Ch. 4.4 - Prob. 4.13CP Ch. 4.4 - Assume the variables a = 2, b = 4, and c = 6....Ch. 4.4 - Explain how short-circuit evaluation works with...Ch. 4.4 - Write an if statement that displays the message...Ch. 4.4 - Write an if statement that displays the message...Ch. 4.5 - Prob. 4.18CP Ch. 4.5 - Prob. 4.19CP Ch. 4.6 - If the following code were part of a complete...Ch. 4.6 - If the following code were part of a complete...Ch. 4.7 - Prob. 4.22CP Ch. 4.7 - If a TryParse method successfully converts the...Ch. 4.7 - Prob. 4.24CP Ch. 4.7 - Prob. 4.25CP Ch. 4.9 - Prob. 4.26CP Ch. 4.9 - If several CheckBox controls have been created in...Ch. 4.9 - Prob. 4.28CP Ch. 4.10 - Convert the following if-else-if code to a switch...Ch. 4.11 - Prob. 4.30CP Ch. 4.11 - Prob. 4.31CP Ch. 4.11 - Prob. 4.32CP Ch. 4 - A __________ structure executes a set of...Ch. 4 - A __________ structure provides one alternative...Ch. 4 - A(n) __________ expression has a value of either...Ch. 4 - The symbols , , and == are all __________...Ch. 4 - A __________ structure tests a condition and then...Ch. 4 - You use a(n) __________ statement to write a...Ch. 4 - You use a(n) __________ statement to write a dual...Ch. 4 - A ____________ decision structure is written...Ch. 4 - , ||, and ! are __________ operators. a....Ch. 4 - A compound Boolean expression created with the...Ch. 4 - A compound Boolean expression created with the...Ch. 4 - The __________ operator takes a Boolean expression...Ch. 4 - A __________ is a Boolean variable that signals...Ch. 4 - Prob. 14MC Ch. 4 - Prob. 15MC Ch. 4 - Prob. 16MC Ch. 4 - The __________ section of a switch statement is...Ch. 4 - A ListBoxs index numbering starts at __________....Ch. 4 - You can use the __________ property to determine...Ch. 4 - The __________ property holds the item that is...Ch. 4 - Prob. 1TF Ch. 4 - A single-alternative decision structure tests a...Ch. 4 - The if-else statement is a dual-alternative...Ch. 4 - A decision structure can be nested inside another...Ch. 4 - A compound Boolean expression created with the ...Ch. 4 - Prob. 6TF Ch. 4 - Multiple CheckBox controls in the same GroupBox...Ch. 4 - The test expression in a switch statement can be a...Ch. 4 - If an item is not selected in a ListBox, the...Ch. 4 - Prob. 10TF Ch. 4 - What is meant by the term conditionally executed?Ch. 4 - You need to test a condition and then execute one...Ch. 4 - Briefly describe how the operator works.Ch. 4 - Briefly describe how the || operator works.Ch. 4 - Prob. 5SA Ch. 4 - What is a flag and how does it work?Ch. 4 - What are the two arguments that you pass to a...Ch. 4 - How do you determine in code whether a RadioButton...Ch. 4 - Prob. 9SA Ch. 4 - Prob. 10SA Ch. 4 - Write an if statement that assigns 20 to the...Ch. 4 - Write an if statement that assigns 0 to the...Ch. 4 - Write an if-else statement that assigns 0 to the...Ch. 4 - Write nested decision structures that perform the...Ch. 4 - Write an if-else statement that displays Speed is...Ch. 4 - Write an if-else statement that determines whether...Ch. 4 - Prob. 7AW Ch. 4 - Rewrite the following if-else-if statement as a...Ch. 4 - Prob. 9AW Ch. 4 - Roman Numeral Converter Create an application that...Ch. 4 - Mass and Weight Scientists measure an objects mass...Ch. 4 - Magic Dates The date June 10, 1960, is special...Ch. 4 - Color Mixer The colors red, blue, and yellow are...Ch. 4 - Prob. 5PP Ch. 4 - Book Club Points Serendipity Booksellers has a...Ch. 4 - Software Sales A software company sells a package...Ch. 4 - Body Mass Index Program Enhancement In Programming...Ch. 4 - Change for a Dollar Game Create a change-counting...Ch. 4 - Fat Percentage Calculator One gram of fat has 9...Ch. 4 - Time Calculator Create an application that lets...Ch. 4 - Workshop Selector The following table shows a...

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Solution Summary: The author explains that ListBox controls help to show the list of items which enables the user to choose an item from a list, causing it to appear selected at runtime.

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Chapter 4 Solutions