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Questions and Answers
What action does the Close button perform in Form1?
What action does the Close button perform in Form1?
- Clears all text in the labels
- Resets the text fields to their original values
- Displays a confirmation dialog
- Stops the program from running (correct)
What happens when the Clear button is clicked in Form1?
What happens when the Clear button is clicked in Form1?
- It clears the textboxes
- It opens Form2
- It changes the text of the labels to default values (correct)
- It displays an error message
Which textbox does NOT exist in Form2?
Which textbox does NOT exist in Form2?
- txtAdviser
- txtGradeSection
- txtFullName
- txtLastName (correct)
What is the primary function of the Next button in Form2?
What is the primary function of the Next button in Form2?
What text appears in lblGradeSection after btnClick is pressed in Form1?
What text appears in lblGradeSection after btnClick is pressed in Form1?
What happens when the Show button is clicked in the Hello World project?
What happens when the Show button is clicked in the Hello World project?
What is the purpose of the btnExit in the Hello World project?
What is the purpose of the btnExit in the Hello World project?
Which property needs to be set for Label1 in Form1 of the Sample 1 project to display the first name?
Which property needs to be set for Label1 in Form1 of the Sample 1 project to display the first name?
What does the btnClear button do in Form1 of Sample 1 project?
What does the btnClear button do in Form1 of Sample 1 project?
What is the method used to handle the Click event for btnExit in the Hello World project?
What is the method used to handle the Click event for btnExit in the Hello World project?
When the btnClick button is pressed in Sample 1 project, which labels are affected?
When the btnClick button is pressed in Sample 1 project, which labels are affected?
Which event should be handled to show text in lblLastName upon clicking the Click Me! button?
Which event should be handled to show text in lblLastName upon clicking the Click Me! button?
What is the correct way to set the Text property of lblGradeSection?
What is the correct way to set the Text property of lblGradeSection?
Flashcards
Label control
Label control
A text label control used to display text on a form, designated by a name and text attributes. Example: messagelabel with text "Hello World!"
Button control
Button control
A button control that triggers an event when clicked. It has properties like name and text displayed on the button. Example: btnShow with text "Show"
Private
Private
This refers to a variable or object that can be accessed or modified within the same class or structure, it's like a private room within a house.
Me.messagelabel.Text = "Hello World!"
Me.messagelabel.Text = "Hello World!"
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Public
Public
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Me.Close()
Me.Close()
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Click Event
Click Event
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Private Sub btnClick_Click...
Private Sub btnClick_Click...
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String
String
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Button Click Event Handler
Button Click Event Handler
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Label
Label
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Textbox
Textbox
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Form
Form
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Study Notes
Visual Basic: Hello World Project
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Form Design: A graphical user interface (GUI) is shown, comprising a form with labels (e.g., Label1), buttons (e.g., Show, Exit), and text boxes.
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Show Button Functionality: Clicking the "Show" button causes the text "Hello World!" to be displayed within a specified label (e.g., Label1).
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Exit Button Functionality: Clicking the "Exit" button terminates the program.
Code Syntax (Visual Basic)
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Private Sub btnExit_Click: This subroutine defines the action taken when the Exit button is clicked.
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Me.Close(): This line of code is responsible for closing the current form window.
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Private Sub btnShow_Click: This subroutine defines the action taken when the Show button is clicked.
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Me.messagelabel.Text = "Hello World!": This line displays "Hello World!" in the specified Label.
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Public Class Form1: This declares a class-level structure for the Visual Basic code.
Additional Form Design and Functionality
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Click Me! buttons: Clicking these buttons displays specific text (e.g., names, grades) in designated labels (e.g., lblFirstName, lblLastName, lblGradeSection).
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Reset Button: Clicking this button resets the text in the labels to their default values.
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Close Button: Clicking this button terminates the program.
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Clear Button: Deleting the text input in text boxes upon clicking the button (e.g., textbox1, 2 & 3).
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Next Button: Activating this button transitions from one form (e.g., form2) to another (eg., form1), concealing the current one.
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Form Reset: A labeled interaction reveals that the Form will return to a starting configuration.
Form2 Syntax
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Public Class Form2: Declares a class for Form2.
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btnClose_Click: Closes Form2 when the Close button is pressed.
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btnClear_Click: Clears all the text fields in the Form2.
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btnNext_Click: Displays Form1 and closes Form2 when the Next button is clicked.
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Description
This quiz covers the basics of creating a 'Hello World' application using Visual Basic. It includes form design elements like labels and buttons, as well as the functionality of the Show and Exit buttons. Test your knowledge of code syntax and GUI design in Visual Basic.
