1. Welcome with Ifs
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2. Add a ComboBox and give it a name (e.g. cboLanguauge)
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3. Click next to the Items property and then the ellipsis button that results.
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4. Use the String Collection Editor dialog box to enter the language names.
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5. Result so far
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6. Set the Text property to “English” (the ComboBox will now start with an entry)
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7. Add a button (btnOK) and label (lblMessage)
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8. btnOK_Click subroutine uses If to establish different behavior in different cases
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9. Structure of an If If cboLanguage.Text = "English" Then
lblMessage.Text = "Welcome"
End If
If, Then and End are keywords the establish the structure of the If statement
Between If and Then comes a condition – an expression that evaluates to True or False
Between the line starting with If and the End If line comes a statement or set of statements to be executed provided the condition is true and is ignored should the condition be false
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10. Result
User forgot to click OK button
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11. Return to Design view and double click on the ComboBox
The ComboBox has a SelectedIndexChanged event and we will put our code here and eliminate the button altogether
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12. New buttonless design
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13. New buttonless code
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14. Result: Somewhat improved with no button for user to forget to click
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