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What Numbers Are Displayed in the List Box When the Button

question 81

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What numbers are displayed in the list box when the button is clicked on?
Private Sub btnDisplay_Click(...) Handles btnDisplay.Click
Dim file As String = "Beatles.txt"
Dim fabFour As String = FillArray(file)
lstBox.Items.Add(Array.IndexOf(fabFour, "Ringo")
lstBox.Items.Add(fabFour.Count - 1)
End Sub
Function FillArray(file As String) As String
Dim names As String = IO.File.ReadAllLines(file)
Return names
End Function
Assume the four lines of the file Beatles.txt contain the following entries: John, Paul, Ringo, George.

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