Microsoft Visual Basic 2010 Step by Step eBook

Chapter 6 Using Decision Structures 175

When you’ve finished setting properties, your form looks similar to this:

Now you’ll enter the program code to initialize the list box.

9. Double-click the form.

The Form1_Load event procedure appears in the Code Editor.

10. Type the following program code to initialize the list box:

lstCountryBox.Items.Add("England")

lstCountryBox.Items.Add("Germany")

lstCountryBox.Items.Add("Mexico")

lstCountryBox.Items.Add("Italy")

These lines use the Add method of the list box object to add entries to the list box on

your form.

11. Click the Form1 .vb [Design] tab at the top of the Code Editor to switch back to the
    Designer, and then double-click the list box object on your form to edit its event
    procedure.
    The lstCountryBox_SelectedIndexChanged event procedure appears in the Code Editor.


12. Type the following lines to process the list box selection made by the user:

lblCountry.Text = lstCountryBox.Text

Select Case lstCountryBox.SelectedIndex

Case 0

lblGreeting.Text = "Hello, programmer"

Case 1

lblGreeting.Text = "Hallo, programmierer"

Case 2

lblGreeting.Text = "Hola, programador"

Case 3

lblGreeting.Text = "Ciao, programmatore"

End Select