ISM 220 Ch 15, 17, 18 & Doyle
To create mutually exclusive options use ____.
A GroupBox object with RadioButton objects
With Windows Presentation Foundation (WPF) applications, ____.
A new XAML file, resembling an HTML file, is added to the solution
____ objects usually appear as small boxes that allow users to make a yes/no selection
CheckBox
C# is an object-oriented language. All the code for an application must be placed in a(n) ____.
Class
The SelectionMode property of the ListBox object ___.
Enables multiple selection to be made
The idea that a class should be responsible for handling changes to its instance variables is called __________.
Encapsulation
A class is an instance of an object. T/F
False
A semicolon is placed on the end of a method heading following the parameter list. T/F
False
A variable with block scope is accessible throughout the class. T/F
False
An object is like a class template. The object is used to define the structure for the different classes that are going to be of that type. T/F
False
C# imposes a limit to the number of times a method can be called. T/F
False
If a method does not return a value, the void keyword is placed inside the parenthesis in the method heading. T/F
False
If the method return type is void, the method will have no parameters.
False
If the method return type is void, the method will have no parameters. T/F
False
If there are no parameters listed in parenthesis, the method will not return any values. T/F
False
Mutators are special types of methods used to create objects. T/F
False
One of the guidelines for good design is to try to place as many controls on the form as you are able to without overlapping any. T/F
False
The method call is where we write the code that we want our method to execute. T/F
False
To set the background color for the ListBox control, use the Back property. T/F
False
We specify data types of parameters in the method call. T/F
False
When run, the following code will display the numbers 1 to 10 on the console. T/F using System; namespace Methods { public class Program { static void Main(string[] args) { } static void CountToTen() { for (int index = 1; index <= 10; index++) Console.WriteLine(index); } } }
False
When run, the following code will display the numbers 1 to 10 on the console: using System; namespace Methods { public class Program { static void Main(string[] args) { } static void CountToTen() { for (int index = 1; index <= 10; index++) Console.WriteLine(index); } } } T/F
False
When you define a class method, you define its characteristics or fields in terms of the data. T/F
False
You can pass return values to a method by enclosing them in parenthesis after the method's name. T/F
False
The ____ property is used to determine whether a control is the one currently selected.
Focused
When you define a class, you can use ____ to display all public members of the class (once an object is instantiated).
Intellisense
Which of the following is a user-defined method? Parse( ) Write( ) Main( ) Pow( )
Main( )
The preprocess directive #region can be added in the program to ___.
Mark sections of code that can be expanded or collapsed.
Normally data member are defined to have ____ access.
Private
Normally data members are defined to have ____ access
Private
The _______ modifier means that the object can only be accessed from inside the class.
Private
_________ is calling a method from within itself. Parameterization Overloading Recursion Returning
Recursion
What does the following statement do? this.BlackColor = System.Drawing.Color.Blue;
Sets the form color to blue
Most of the classes used to develop Windows-based applications are organized in which namespace?
System.Windows.Forms
The Form property used to set the title bar on the Windows form is ___.
Text
To retrieve multiple selections from a ListBox control, you can use all of the following properties EXCEPT ___.
Text
Which property is used to set or get the caption of the title bar for Windows applications?
Text
A number of objects can be wired to the same event-handler method. T/F
True
A test plan to verify the accuracy of the application should be designed before coding the application. T/F
True
Avoid using bright colors (such as reds), especially for backgrounds because they can result in user eye fatigue. T/F
True
Console.ReadKey() is a method. T/F
True
In default C# console applications, Main() is a method. T/F
True
Methods are a way of taking a chunk of code that does a specific task and putting it together in a way that is reusable. T/F
True
Object-oriented programming is a way of programming where you create chunks of code that are modeled after real world ... T/F
True
Object-oriented programming is a way of programming where you create chunks of code that are modeled after real world objects. T/F
True
One required entry for a method heading is the return type. T/F
True
Parenthesis are required in a method call, even if the method has no parameters. T/F
True
The 'this' keyword indicates that we are referring to an object in the scope of the class. T/F
True
The Items, SelectedItems, and SelectedIndices properties are useful for retrieving selected items from the ListBox object. T/F
True
The declaration for a delegate looks more like a method declaration than a class definition. T/F
True
The delegate signature indicates what the method signature must look like if they are to be reference by the delegate. T/F
True
The keyword new is used as an operator to call constructor methods. T/F
True
We specify data types of parameters in the method heading T/F
True
When you define methods of a class, you are defining its behaviors, in terms of what kinds of things it can do. T/F
True
While in Design view, you can select controls from the Toolbox window and drag and drop them onto your form container. T/F
True
Which of the following is true regarding methods of a class? a. No return type is used when you define a class method. b. They are called instance methods.
b. They are called instance methods.
Instance methods manipulate data by ___.
directly accessing private data members.
A method that does not return any value on exit, ____. must be called with the void keyword cannot include the return keyword must be defined to have a void return type is not allowed in C#
must be defined to have a void return type
Variable declared in the Main( ) method are ____.
only visible inside Main ( ).
To add full functionality to your classes, ____
write more than one constructor