Public Class Form1
 
    Private rnd As New Random
    Private Zahl(11) As Double
 
    Private Sub berechne()
        Dim i As Integer
        For i = 0 To 11
            Zahl(i) = rnd.NextDouble()
        Next
    End Sub
 
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles Button1.Click
        berechne()
        For a As Integer = 0 To 11
            ListBox1.Items.Add(Zahl(a))
        Next 
    End Sub
End Class

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