Question 1

A DateTimePicker's _____event is raised each time the user selects a different date or time.&#10;A) TimeChanged&#10;B) DateChanged&#10;C) SelectedDateChanged&#10;D) DateTimeChanged&#10;E) ValueChanged

Accepted Answer

The ValueChanged event is raised for a DateTimePicker control whenever the user selects a different date or time, reflecting a change in the value property of the control.

Question 2

The ToLongDateString method, when called on a DateTime variable, returns the date in the form ________.&#10;A) 12-31-2002&#10;B) December 31st, 2002&#10;C) Tuesday, December 31st, 2002&#10;D) Tuesday, December 31, 2002&#10;E) December 31, 2002

Accepted Answer

The ToLongDateString method returns the date in a long format that includes the day of the week, the month, the day, and the year, but does not include the ordinal suffix for the day (e.g., "st", "nd", "rd", "th"). Therefore, the correct format is "Tuesday, December 31, 2002".

Question 3

Use a_______ control to group associated controls visually.&#10;A) DateTimePicker&#10;B) GroupBox&#10;C) Label&#10;D) ListBox&#10;E) None of the above.

Accepted Answer

A GroupBox control is used to group collections of controls on a form. It provides a clear visual categorization of controls, which is helpful for organizing related elements within a user interface.

Question 4

A______ is a method that initializes a class object or structure value when it is created.&#10;A) creator&#10;B) initializer&#10;C) builder&#10;D) constructor&#10;E) starter

Accepted Answer

A constructor is a special type of method in object-oriented programming used to initialize a newly created object or class instance.

Question 5

Calling the AddHours method on a DateTime variable______ .&#10;A) is a syntax error&#10;B) creates a new DateTime value&#10;C) returns an exact copy of the variable that called it&#10;D) assigns a new value to the variable that calls it&#10;E) None of the above.

Accepted Answer

The AddHours method on a DateTime variable creates a new DateTime value with the specified number of hours added to the original DateTime. DateTime is immutable, meaning instances of DateTime do not change once created; methods that appear to modify instances actually return a new instance with the modification.

Question 6

The DateTimePicker's ___________property, when set to , allow the user to select a date or time using up and down arrows, much like a NumericUpDown control.&#10;A) Arrows, true&#10;B) ShowDropDown, false&#10;C) ShowUpDown, true&#10;D) UpDownArrows, true&#10;E) DropDown, false

Accepted Answer

The ShowUpDown property, when set to true, changes the DateTimePicker to display up and down arrows, allowing the user to select dates or times in a manner similar to the NumericUpDown control.

Deck 14: Shipping Time Application