protected void OnAnonymizeClick(object sender, EventArgs e) { sw.Start(); int seed = 0; try { seed = Convert.ToInt32(entrySeed.Text); } catch { MessageDialog md = new MessageDialog(null, DialogFlags.Modal, MessageType.Warning, ButtonsType.Ok, "Please enter a valid integer seed."); md.Run(); md.Destroy(); } var anon = new Anonymizer(); anon.write_from_files(input_files, email_cols, seed); sw.Stop(); labelStatus.LabelProp = "Finished anonymizing in: " + sw.ElapsedMilliseconds.ToString() + "ms."; }