Question 1

Given a GUI Control, what objects and delegates are provided to handle mouse events such as clicking, pointing, and dragging?

Accepted Answer

Mouse events include all the actions a user takes with a mouse, including clicking, pointing, and dragging.Mouse events can be handled for any Control through an object of the class MouseEventArgs.The delegate used to create mouse event handlers is MouseEventHandler.Every mouse event-handling method must have two parameters: an object representing the sender, and an object representing the event.Depending on the event, the type of the second parameter is EventArgs or MouseEventArgs.

Question 2

What file can be opened to examine all the code generated by the Windows Form Designer for an application that creates a Form?

Accepted Answer

A)  Designer.cs 
B)  EventHandlers.cs 
C)  Project.cs 
D)  Form.cs 
A)  Designer.cs 
B)  EventHandlers.cs 
C)  Project.cs 
D)  Form.cs A

Question 3

What keyword can be used to declare a delegate?

Accepted Answer

A)  handler 
B)  function 
C)  pointer 
D)  delegate 
A)  handler 
B)  function 
C)  pointer 
D)  delegate D

Question 4

What happens when the TabIndex values of two or more Controls is set to 0?

Accepted Answer

A)  An Exception is thrown, and the program ends. 
B)  No errors are generated, but only one Control will receive focus. 
C)  After setting one Control to 0, the other Control will be forced to a 1 or other unique number. 
D)  Both Controls will receive focus at the same time. 
A)  An Exception is thrown, and the program ends. 
B)  No errors are generated, but only one Control will receive focus. 
C)  After setting one Control to 0, the other Control will be forced to a 1 or other unique number. 
D)  Both Controls will receive focus at the same time.

Question 5

When an event occurs, any delegate that a client has given or passed to the event is invoked.

Accepted Answer

A) True 
 B)False

Question 6

What are common keyboard events? What is the delegate used to create a keyboard event handler, and what is the type of the second parameter to the event handler?

Accepted Answer

Keyboard events, also known as key event

Question 7

Any delegate can encapsulate any method that has the same return type and parameter list as the delegate.

Accepted Answer

A) True 
 B)False

Question 8

An event that occurs as a result of interaction with the keyboard is known as what type of event?

Accepted Answer

A)  key events 
B)  external events 
C)  input events 
D)  console events 
A)  key events 
B)  external events 
C)  input events 
D)  console events

Question 9

When you double-click a Button on a Form in the IDE, you automatically generate the shell of what method?

Accepted Answer

A)  Click() 
B)  Double_Click() 
C)  Enter() 
D)  Focus() 
A)  Click() 
B)  Double_Click() 
C)  Enter() 
D)  Focus()

Question 10

A C# delegate is similar to what variable type in C++ that holds a method's memory address?

Accepted Answer

A)  object pointer 
B)  integer pointer 
C)  function pointer 
D)  reference pointer 
A)  object pointer 
B)  integer pointer 
C)  function pointer 
D)  reference pointer

Question 11

The C# language requires that every event must use a delegate type with three parameters.

Accepted Answer

A) True 
 B)False

Question 12

When you define your own event-handler delegate, what arguments are required? Provide an example of a delegate declaration.

Accepted Answer

Just like the event handlers automatical

Question 13

What event occurs when the user clicks the mouse within the Control's boundaries?

Accepted Answer

A)  MouseClick 
B)  MouseEnter 
C)  MouseHover 
D)  MouseLeave 
A)  MouseClick 
B)  MouseEnter 
C)  MouseHover 
D)  MouseLeave

Question 14

What is the relationship between an event sender and event receiver?

Accepted Answer

The object that generates an event, such

Question 15

Mouse events can be handled for any control through an object of what class?

Accepted Answer

A)  MouseEvent 
B)  MouseEventArgs 
C)  MousePressEventArgs 
D)  MousePressArgs 
A)  MouseEvent 
B)  MouseEventArgs 
C)  MousePressEventArgs 
D)  MousePressArgs

Question 16

What event occurs when a mouse button is released while the mouse is within the Control's boundaries?

Accepted Answer

A)  MouseClick 
B)  MouseHover 
C)  MouseUp 
D)  MouseMove 
A)  MouseClick 
B)  MouseHover 
C)  MouseUp 
D)  MouseMove

Question 17

For static methods, what does a delegate object encapsulate?

Accepted Answer

A)  The class utilized by the methods. 
B)  The arguments passed to the methods. 
C)  The method to be called. 
D)  Custom events defined within the methods. 
A)  The class utilized by the methods. 
B)  The arguments passed to the methods. 
C)  The method to be called. 
D)  Custom events defined within the methods.

Question 18

What expression describes the act of calling an event method?

Accepted Answer

A)  cascading the event 
B)  revoking the event 
C)  invoking the event 
D)  composing the event 
A)  cascading the event 
B)  revoking the event 
C)  invoking the event 
D)  composing the event

Question 19

What Boolean property of a Control identifies whether the Control will serve as a stopping place in a sequence of Tab key presses?

Accepted Answer

A)  TabIndex 
B)  TabCount 
C)  TabStop 
D)  TabFlag 
A)  TabIndex 
B)  TabCount 
C)  TabStop 
D)  TabFlag

Question 20

What is used to declare your own event in C#?

Accepted Answer

A)  handlers 
B)  trigger objects 
C)  delegates 
D)  raisers 
A)  handlers 
B)  trigger objects 
C)  delegates 
D)  raisers

Given a GUI Control, what objects and delegates are provided to handle mouse events such as clicking, pointing, and dragging?

What file can be opened to examine all the code generated by the Windows Form Designer for an application that creates a Form?

What keyword can be used to declare a delegate?

What happens when the TabIndex values of two or more Controls is set to 0?

When an event occurs, any delegate that a client has given or passed to the event is invoked.

What are common keyboard events? What is the delegate used to create a keyboard event handler, and what is the type of the second parameter to the event handler?

Any delegate can encapsulate any method that has the same return type and parameter list as the delegate.

An event that occurs as a result of interaction with the keyboard is known as what type of event?

When you double-click a Button on a Form in the IDE, you automatically generate the shell of what method?

A C# delegate is similar to what variable type in C++ that holds a method's memory address?

The C# language requires that every event must use a delegate type with three parameters.

When you define your own event-handler delegate, what arguments are required? Provide an example of a delegate declaration.

What event occurs when the user clicks the mouse within the Control's boundaries?

What is the relationship between an event sender and event receiver?

Mouse events can be handled for any control through an object of what class?

What event occurs when a mouse button is released while the mouse is within the Control's boundaries?

For static methods, what does a delegate object encapsulate?

What expression describes the act of calling an event method?

What Boolean property of a Control identifies whether the Control will serve as a stopping place in a sequence of Tab key presses?

What is used to declare your own event in C#?

A First Program Using C#

Using Data

Using Gui Objects and the Visual Studio Ide

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Files and Streams

Making Decisions

Filters

Exam 13: Handling Events

Given a GUI Control, what objects and delegates are provided to handle mouse events such as clicking, pointing, and dragging?

What file can be opened to examine all the code generated by the Windows Form Designer for an application that creates a Form?

What keyword can be used to declare a delegate?

What happens when the TabIndex values of two or more Controls is set to 0?

When an event occurs, any delegate that a client has given or passed to the event is invoked.

What are common keyboard events? What is the delegate used to create a keyboard event handler, and what is the type of the second parameter to the event handler?

Any delegate can encapsulate any method that has the same return type and parameter list as the delegate.

An event that occurs as a result of interaction with the keyboard is known as what type of event?

When you double-click a Button on a Form in the IDE, you automatically generate the shell of what method?

A C# delegate is similar to what variable type in C++ that holds a method's memory address?

The C# language requires that every event must use a delegate type with three parameters.

When you define your own event-handler delegate, what arguments are required? Provide an example of a delegate declaration.

What event occurs when the user clicks the mouse within the Control's boundaries?

What is the relationship between an event sender and event receiver?

Mouse events can be handled for any control through an object of what class?

What event occurs when a mouse button is released while the mouse is within the Control's boundaries?

For static methods, what does a delegate object encapsulate?

What expression describes the act of calling an event method?

What Boolean property of a Control identifies whether the Control will serve as a stopping place in a sequence of Tab key presses?

What is used to declare your own event in C#?

A First Program Using C#

Using Data

Using Gui Objects and the Visual Studio Ide

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Files and Streams

Making Decisions

Filters