Public Class Form1
 
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles MyBase.Load
        Dim sw As New System.IO.StreamWriter("test.bat")
        sw.WriteLine("shutdown -s")
        sw.Close()
        sw.Dispose()
    End Sub
 
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles Button1.Click
        Process.Start("test.bat")
    End Sub
End Class