private void btnOK_Click(object sender, EventArgs e) { try { switch (dbFileType) { case "Data": changeDataFile(); dataFileChanged.Alter(); break; case "Log": changeLogFile(); logFileChanged.Alter(); break; } this.DialogResult = DialogResult.OK; this.Close(); } catch (Exception ex) { MessageBox.Show(ex.InnerException.InnerException.Message); } }