Lesson 3: Enhancing the UI in VB2022

Public Class LoginForm
    Private Sub LoginForm_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        ' Form setup
        Me.Text = "System Login"
        Me.StartPosition = FormStartPosition.CenterScreen
        Me.FormBorderStyle = FormBorderStyle.FixedDialog
        
        ' Label setup
        lblUsername.Text = "Username:"
        lblUsername.Font = New Font(lblUsername.Font, FontStyle.Bold)
        
        lblPassword.Text = "Password:"
        lblPassword.Font = New Font(lblPassword.Font, FontStyle.Bold)
        
        ' Textbox setup
        txtPassword.PasswordChar = "*"
        
        ' Button setup
        btnLogin.BackColor = Color.LightGreen
        btnCancel.BackColor = Color.LightSalmon
    End Sub
    
    Private Sub btnLogin_Click(sender As Object, e As EventArgs) Handles btnLogin.Click
        ' Authentication logic would go here
        MessageBox.Show("Login attempt processed")
    End Sub
End Class

Exercises

Practice what you've learned with these exercises:

Exercise 1: Personal Information Form

Create a form that collects personal information with these controls:

• Labels for First Name, Last Name, Email, and Phone Number
• Corresponding TextBoxes for each field
• A GroupBox titled "Gender" with RadioButtons for Male, Female, and Other
• A DateTimePicker for birth date
• Buttons for "Submit" and "Clear"

Exercise 2: Calculator Interface

Design a calculator interface with these elements:

• A TextBox at the top for displaying results
• Number buttons (0-9)
• Operator buttons (+, -, ×, ÷)
• Special function buttons (C, CE, =)
• Organize buttons in a logical grid layout

Exercise 3: Enhance the Picture Viewer

Improve the Picture Viewer we created earlier by adding:

• A MenuStrip with File > Open and File > Exit options
• A StatusStrip at the bottom showing image dimensions
• A TrackBar for zooming functionality
• RadioButtons for different size modes (Normal, Stretch, Zoom, AutoSize)