Deck 12: Using Controls

Question 1

When you size a ListBox so that all the items cannot be displayed at the same time, a scroll bar is provided automatically on the side.

Answer 1

True

Question 2

What object is similar to a ListBox but with check boxes appearing to the left of each item?

A) CheckBox
B) ButtonBox
C) ComboBox
D) CheckedListBox

Answer 2

D

Question 3

What character can be placed before a letter in the Text property value of a ButtonBase object to make the letter function as an access key?

A) &
B) %
C) $
D) #

Answer 3

A

Question 4

A LinkLabel is similar to a Label in that it is a parent of Label.

Question 5

When designing a Form, what design feature facilitated by the IDE will you typically utilize instead of typing code statements?

A) class automatic generation
B) drag-and-drop code generation
C) button serialization
D) object instantiation

Question 6

ListBox, ComboBox, and CheckedListBox objects all allow users to select choices from a list.These three classes descend from what parent class?

A) ListBase
B) ListControl
C) BaseList
D) List

Question 7

What class provides the definitions for GUI objects?

A) Control
B) Object
C) Widget
D) Gadget

Question 8

What can you use to provide the capability to link a user of your program to other sources, such as Web pages or files?

A) Label
B) FileLabel
C) ResourceLabel
D) LinkLabel

Question 9

What Control allows you to retrieve date information?

A) Calendar
B) MonthCalendar
C) DateCalendar
D) CalendarPicker

Question 10

Each Control has more than 80 public properties.

Question 11

What is similar to a ListBox, except that it displays an additional editing field to allow the user to select from the list or to enter new text?

A) ComboBox
B) CheckBox
C) CheckedListBox
D) ComboListBox

Question 12

C# allows you to create custom colors.

Question 13

What type of object is a GUI widget the user can click to select an option, and allows for any number of these objects to be selected at the same time?

A) ListBox
B) RadioButton
C) CheckBox
D) CheckedListBox

Question 14

What object can you instantiate on a remote computer so that you can manipulate a reference to the object rather than a local copy of the object?

A) ByRefObject
B) RemoteRefObject
C) RemoteObject
D) MarshalByRefObject

Question 15

What Control displays a month calendar when the down arrow is selected?

A) MonthCalendar
B) CalendarPicker
C) DateTimePicker
D) DatePicker

Question 16

What ListBox property with a Boolean value allows you to configure whether or not to display items in columns instead of a straight vertical list?

A) SingleColumn
B) MoreColumn
C) OneColumn
D) MultiColumn

Question 17

What method is shared by CheckBox and RadioButton objects and is called when the object is clicked by the user?

A) Changed()
B) ClickedChanged()
C) CheckedChanged()
D) ValueChanged()

Question 18

The default text color for a LinkLabel is purple.

Question 19

What class do you utilize to change the appearance of printed text on your Forms?

A) Text
B) ForeText
C) Font
D) FontText

Question 20

What type of GUI widget object allows the user to click to select an option, but only allows for one within a given group to be selected at a time?

A) CheckButton
B) RadioButton
C) ListBox
D) RadioCheckedButton

Question 21

What are some of the commonly used CheckBox and RadioButton properties, and the default event for which a method shell is generated for these classes in the IDE? If you wanted a user to select which pizza toppings he or she wanted from a group of possible toppings, which Control would you use and why?

Question 22

SelectionStart and SelectionEnd are properties of the MonthCalendar class.What methods can be applied to these properties to control the display of a date? What other factors influence the format in which dates are displayed?

Question 23

What public Control property can be used to determine whether a control or one of its child controls currently has the input focus?

A) IsFocused
B) ContainsFocus
C) DetectFocus
D) GetFocus

Question 24

What are some of the commonly used LinkLabel properties, and what is the default event generated when the link is clicked by a user?

Question 25

How would you declare a named instance of a Font class, and what arguments can be used within the constructor? Show the declaration for a font named fancyFont that is size 24, bold, underlined, and Helvetica.

Question 26

In a MenuStrip, placing what character in front of a unique letter allows the user to press Alt and then the given letter to activate the menu choice as an alternative to clicking it with the mouse?

A) %
B) $
C) &
D) >

Question 27

When filling in the items in a MenuStrip control, double-clicking an entry automatically generates what type of method?

A) Change()
B) SetSelected()
C) Click()
D) SelectedIndexChanged()

Question 28

Where do automatically generated statements that set the properties of the labels, buttons, and forms end up?

A) Within the InitializeComponent() method.
B) Within the Property class in the Designer.cs file for the form.
C) In the Form's class declaration.
D) In the Click() method for the object involved.

Question 29

When designing a MenuStrip control, the programmer should follow conventional menu order.As an example, where should the Help option be located on the main menu?

A) on the far-left side
B) in the File submenu
C) in the Preferences submenu
D) on the far-right side

Question 30

What is a secondary window that takes control of a program known as?

A) modal window
B) popup box
C) message interrupter
D) focus grabber

Question 31

Explain the selection options that can be controlled by setting the SelectionMode property of a ListBox.

Question 32

What are some of the methods that you can use with the SelectionStart and SelectionEnd properties of MonthCalendar to calculate new dates? For example, if you wanted to calculate the date of an event that will occur 10 days from the SelectionStart date, what MonthCalendar method could you use?

Question 33

What property for a MonthCalendar object allows you to specify the last day that can be selected?

A) LastDate
B) EndDate
C) MaxDate
D) SelectionRange

Question 34

When you create a Form in the Visual Studio IDE, the IDE automatically generates code to support the Form and any Controls that you place on the Form.What do you know about the Form under development given the following snippet of code generated by the IDE?
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.okButton = new System Windows.Forms.Button();
...
}

Question 35

What are some of the commonly used PictureBox properties and the default event for a PictureBox?

Question 36

What property can you set in order to attach a Control to the side of a container so that the Control stretches when the container's size is adjusted?

A) Anchor
B) Dock
C) Padding
D) Filling

Question 37

When you drag multiple Controls onto a Form, what appears to help you align new Controls with others already in place?

A) alignment dots
B) blue dotted lines
C) blue grip angles
D) blue snap lines

Question 38

When working with a Form in the IDE, how do you place new Controls on the Form, and how can you adjust them precisely to align with existing Controls?

Question 39

What property can be configured to cause a Control to remain at a fixed distance from the side of a container when the user resizes it?

A) Dock
B) Padding
C) Anchor
D) Filling

Question 40

What are the similarities and differences between using a GroupBox and using a Panel to group related Controls on a Form?