Public Class Form1
 
Private proc as Process
 
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles MyBase.Load
        proc = Process.Start("cmd.exe")
    End Sub
 
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles Button1.Click
        proc.Kill()
    End Sub
End Class