Deck 9: Introduction to Windows Programming

Question 1

A sequential order exists with methods for Windows applications.The program exits after all statements have been sequentially executed.

Answer 1

False

Question 2

The #region is an example of a preprocessor directive. However,C# does not have the separate preprocessing step you find with some other languages.

Answer 2

True

Question 3

With the heading above,Form is the derived class.

Answer 3

False

Question 4

With console-based applications,you register events about which you want your program to receive notification.

Question 5

One of the guidelines for good design is to keep an item the same as other items,unless you are trying to call attention to that item.

Question 6

A console-based application interface can include menus,buttons,pictures,and text in many different colors and sizes.

Question 7

When you create a new Windows application using Visual Studio,if you do not see the constructed form,but instead see the program statements,you have selected the wrong template and need to begin again.

Question 8

Button,Label,TextBox,ComboBox,MenuStrip,ListBox,CheckBox,RadioButton,and MonthCalendar are all examples of classes.

Question 9

The interface is the visual image you see when you run a program that allows users to interact with the application.

Question 10

The statement above adds the text "An Example" as the first entry on the form in the bottom left-hand corner.

Question 11

You must create a working directory on your hard drive at the root level for Windows applications. Otherwise,the applications will not run.

Question 12

When a program is placed in a process loop,the program cannot be minimized,resized,or closed like other Windows applications.

Question 13

If you use Visual Studio,most of the standard service plumbing code is added automatically for you.

Question 14

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.

Question 15

An example of an event that might be registered is the "Press the enter key."

Question 16

Avoid using bright colors (such as reds),especially for backgrounds because they can result in user eye fatigue.

Question 17

Instead of creating assignments in the constructor methods,Visual Studio creates a separate InitializeComponent( )method to build the form at runtime.

Question 18

Visual Studio automatically imports the System.Windows.Forms namespace for you when you create a Windows Application Project using the IDE.

Question 19

When you design Windows applications using Visual Studio,you must be sure to add program statements to call the Dispose( )method to clean up or release unused resources back to the operating system.

Question 20

In order to change the property of a control during design time,select the control,move the cursor into the Properties window edit box (to the right of the property identifier),and type or select a value.

Question 21

In order to change the background color for the application,you could set the BackColor property of the form.

Question 22

The GUI should be different if the application is going to be displayed on a WAP (Wireless AccessProtocol)-enabled device such as a tablet or a smart phone.

Question 23

While in Design view,you can select controls from the Toolbox window and drag and drop them onto your form container.

Question 24

The class heading that is generated by Visual Studio for Windows applications includes a colon (:)following the class name.The identifier following the colon is the ____.

A) derived class
B) namespace where the class is located
C) base class
D) extended class

Question 25

The front end portion of the program that the user sees and responds to is called the ____.

A) event
B) process
C) interface
D) Main( )

Question 26

Event handlers are ____.

A) processes
B) methods
C) programs
D) references

Question 27

With Windows applications,many different types of events can be fired.As a developer,you
must write event handlers for all of the possible events.

Question 28

Probably the most commonly used control for both input and output is the button because it adds additional functionality to an application.

Question 29

With Windows applications,you write methods called processors to indicate what should be done when a mouse is clicked on a button or the press of a key occurs.

Question 30

A(n)____ is a notification from the operating system that an action,such as the user clicking the mouse or pressing a key,has occurred.

A) trigger
B) event
C) process
D) method

Question 31

What are objects,such as buttons,menus,and labels,that can display and respond to user interaction,called?

A) controls
B) interfaces
C) events
D) containers

Question 32

Most of the classes used to develop Windows-based applications are organized in which namespace?

A) System
B) System.Windows.Forms
C) System.Windows
D) System.Forms

Question 33

Which property is used to set or get the caption of the title bar for Windows applications?

A) Caption
B) TitleBar
C) Title
D) Text

Question 34

How does a Windows application differ from a console-based application?

A) Windows applications do not have a Main( ) method.
B) No looping is found with Windows applications.
C) Unlike Windows applications, console-based applications do not access data from the hard drive.
D) Windows applications sit in a process loop, once executed, waiting for an event to execute.

Question 35

A derived class ____ methods of another class.

A) inherits
B) overrides
C) extends
D) declares

Question 36

Additional controls can be bought from other vendors and added to the Toolbox.

Question 37

In a Windows application,Application.Run(winForm);____.

A) appears as the first line of code in the application
B) causes all the controls on the form to become interactive
C) places the application in a process loop so that it receives messages from the operating system
D) calls on an event handler method to run a method to handle an event

Question 38

Instead of calling on the operating system with a request,as console applications do,Windows applications receive messages from the operating system that an event has occurred.

Question 39

It is more important to spend time designing a prototype for Windows applications than console-based applications.

Question 40

The order of when labels,buttons and controls are placed on the form does not impact anything.

Question 41

Using the tools available from the FORMAT menu can greatly reduce your development time.All of the following are menu options EXCEPT ____.

A) Make Same Size
B) Align
C) Horizontal Spacing
D) Attach to Process

Question 42

The field of research that concentrates on the design and implementation of interactive computing systems is called ____.

A) Human Computer Interaction (HCI)
B) Graphical User Interface (GUI)
C) System Interaction (SI)
D) System Computer Interaction (SCI)

Question 43

Which TextBox property can be set to enable several lines of data to be entered by the user?

A) MultiLine
B) ScrollBars
C) MaxLength
D) Lines

Question 44

A good design principle to follow when developing Windows applications is ____.

A) to keep data entry to a minimum
B) to add all buttons before any other controls are added
C) use dark foreground and medium dark backgrounds on the form
D) register events as soon as possible

Question 45

The Form property used to set the title bar on the Windows form is ____.

A) Title
B) Caption
C) Text
D) Bar

Question 46

Which of the following is an issue that you should consider and incorporate into your interfaces?

A) be consistent with placement of items
B) vary the size of items
C) include as few controls as possible to simplify the form
D) use bright backgrounds to improve appearance.

Question 47

The static method that stops the application and closes all of its windows is ____.

A) Application.Close( )
B) Application.Stop( )
C) Application.Exit( )
D) Application.Quit( )

Question 48

The top-level class used as a container to hold other controls for an application is called a ____.

A) Container
B) Frame
C) Form
D) Window

Question 49

The ____ method of the Control class sets the input focus.

A) Select( )
B) Focus( )
C) Set( )
D) Control( )

Question 50

Windows forms and controls offer a wide variety of changeable properties including ____.

A) Text
B) Color
C) Font
D) all of the above

Question 51

After a button click event is registered,the associated method is called ____.

A) using the keyword this.
B) using the object name for the form.
C) using the object name for the button.
D) automatically when the button is clicked.

Question 52

The ____ property is used to determine whether a control is the one currently selected.

A) Control
B) Focused
C) Enabled
D) Visible

Question 53

Double-clicking on the form when you are using the Form Designer brings up the Code Editor and also ____.

A) creates a syntax error
B) registers a double click event
C) runs the application
D) adds a form load method heading

Question 54

The preprocess directive #region can be added in the program to ____.

A) mark sections of code that can be expanded or collapsed
B) identify all the code inserted automatically by Visual Studio
C) indicate you should not change the code found in that section
D) communicate that the section of code should be processed first

Question 55

It is important to name the button object,because once named ____.

A) program statements can be written to reference it.
B) it can be placed on the form.
C) properties such as background color and text can be set.
D) it becomes part of the tab index order.

Question 56

Probably the most commonly used control for input and output is the ____.

A) Button
B) Label
C) TextBox
D) Menu

Question 57

In Visual Studio,the ____ window is used to view and change the design time properties and events of an object.

A) Solutions Explorer
B) Properties
C) Class View
D) Members

Question 58

To reduce the chances that typing errors will corrupt your solutions,a good design principle to follow is ____.

A) have users type data as opposed to using the mouse for data entry
B) not allow users enter values that can be calculated
C) limit the amount of users using the application
D) enter only numeric data

Question 59

The method that converts all characters entered to and from their uppercase or lowercase equivalent is ____.

A) CharacterConvertCast
B) ToUpper and ToLower
C) ConvertToUpperCase
D) CharacterCasing

Question 60

Which property can be set to indicate whether text in the TextBox is read-only or not?

A) InputOnly
B) AcceptsText
C) ReadOnly
D) TextInputOnly

Question 61

For both Windows applications,execution begins with the first statement in the ____________ method.

Question 62

The ____________ options enable you to increase or decrease the amount of blank space displayed between objects.

Question 63

All changes to the property values can be made in the ____________ window at design time.

Question 64

Using the ____________ feature in Visual Studio,controls can be more easily aligned when they are initially added to the form.

Question 65

The ____________ property for the form can be set to a specific button to allow the Enter key to be associated with that button,so that pressing the Enter key is the same as clicking the button.

Question 66

To cause the cursor to be positioned in a specific TextBox,invoke the ____________ method on that control.

Question 67

____________ objects are normally used to provide descriptive text for another control.

Question 68

It is a good idea to consistently use an appropriate prefix for the user interface elements.You might prefix buttons with ____________.

Question 69

A large field of research in the field of computing is focused on ____________.The research concentrates on the design and implementation of interactive computing systems for human use.

Question 70

Most classes,including control classes such as Label,Button,and TextBox,used with Windows application are defined in the ____________ namespace.

Question 71

If you accidentally double-click on the form,you register the ____________ event.

Question 72

When a button is clicked by a user,its ____________ is automatically called up.

Question 73

With Windows applications,both the files,Form1.cs and Form1.Designer.cs,only include part of the definition for the class in their file.Thus,both include the keyword ____________ in their class heading definition.

Question 74

Probably the most commonly used control is the ____________.It can be used to enter data or display text during run time.

Question 75

Inheriting characteristics from base classes adds ____________ to your program without the burden of your having to do additional coding