Class UpdateKeyPageV

   Dim numberOfLines As Integer = 1
   Dim originalTextBoxHeight As Double = 22

   Private Sub textBoxNote_TextChanged(sender As Object, e As TextChangedEventArgs) Handles textBoxNote.TextChanged
      If (numberOfLines = 1) Then
         textBoxNote.Height = originalTextBoxHeight
      End If
      If (textBoxNote.LineCount > 0) Then
         If (numberOfLines < textBoxNote.LineCount) Then
            textBoxNote.Height = originalTextBoxHeight * textBoxNote.LineCount
            numberOfLines = textBoxNote.LineCount
         End If
         If (numberOfLines > textBoxNote.LineCount) Then
            textBoxNote.Height = textBoxNote.Height - (originalTextBoxHeight * (numberOfLines - textBoxNote.LineCount))
            numberOfLines = textBoxNote.LineCount
         End If
      End If
   End Sub

   Private Sub textBoxNote_GotFocus(sender As Object, e As RoutedEventArgs) Handles textBoxNote.GotFocus
      Dim ev As TextChangedEventArgs = Nothing
      textBoxNote_TextChanged(sender, ev)
   End Sub

End Class