tao 1 item ngau nhien tu listbox,combobox…


Public Class Form1

  Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    Dim myRandom As New Random
    Dim i As Integer = ListBox1.Items.Count
    txtOutput.Text = "The computer has chosen " & ListBox1.Items.Item(myRandom.Next(i)).ToString
  End Sub

End Class
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