group 4

Question 1

a way for your program to respond to user actions, like clicking a button or typing text

Answer 1

Event handling in Windows Forms

Question 2

is the mechanism that controls the event and decides what should happen if an event occurs

Answer 2

Event Handling

Question 3

This mechanism have the code which is known as event handler that is executed when an event occurs

Answer 3

Event Handling

Question 4

In simple terms, event handling is like

Answer 4

setting up a cause and effect: “When the user does this (cause), the program should do that (effect).”

Question 5

Event Handling allows your application to interact with users in a ___, making it ___ to their actions.

Answer 5

dynamic way; responsive

Question 6

refer to actions or occurrences, like a user pressing a key, clicking a button, moving the mouse, or system-generated notifications

Answer 6

Events

Question 7

Applications respond to these events when they happen

Answer 7

Events

Question 8

For instance, clicking a button or entering text in a box triggers an event, which can…

Answer 8

call a function or cause another event

Question 9

Example:

Answer 9

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

MessageBox.Show("Button was clicked!")

End Sub

Question 10

common types of events: (5)

Answer 10

Keyboard/touch events
Click events
Mouse hover events
Form/submit events
Drag and drop events

Question 11

Triggered by pressing or releasing keys on a keyboard or interacting with a touch-enabled device

Answer 11

Keyboard/touch events

Question 12

Occur when a user clicks on an element

Answer 12

Click events

Question 13

Activated when a user moves the mouse or scrolls

Answer 13

Mouse hover events

Question 14

Triggered by submitting, modifying, or resetting a form

Answer 14

Form/submit events

Question 15

Happen when a user drags and drops elements on a page

Answer 15

Drag and drop events

Question 16

within classes, structures, modules, and interfaces using the Event keyword

Answer 16

Declaring Events

Question 17

act of broadcasting the message

Answer 17

Raising Events

Question 18

also called an event source

Answer 18

Event Senders

Question 19

is any object that can trigger an event. Examples include forms, controls, and custom-made objects

Answer 19

Event Senders

Question 20

are procedures that run when a matching event happens

Answer 20

Event Handlers

Question 21

can use a subroutine as an event handler, but not a function, since it can’t return a value to the event source.

Answer 21

Event Handlers