VB.NET Disable Alt+F4 อยากได้โค๊ดที่ไม่สามารถ กด Alt+F4 ออกได้อะครับ

Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles MyBase.KeyDown
        '  Code to Override the Alt-F4 keys combination
        If e.KeyData = Keys.Alt + Keys.F4 Then
            MessageBox.Show("Nice Try!  You must log on with a password.", "Security", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
            e.Handled = True
        End If
End Sub

Protected Overrides ReadOnly Property CreateParams() As CreateParams
        Get
            Dim cp As CreateParams = MyBase.CreateParams
            Const CS_NOCLOSE As Integer = &H200
            cp.ClassStyle = cp.ClassStyle Or CS_NOCLOSE
            Return cp
        End Get
    End Property