private async void frmMain_Load(object sender, System.EventArgs e)
{
var monthValues = new int[] { 3, 6, 9, 12 }.Select(i => new ListItem <int>(i, i.ToString()));
_settings = SettingsBase.Load <Settings>();
_binder = new ControlBinder <Settings>();
_binder.Add(tbSourcePath, model => model.SourcePath);
_binder.Add(chkDelete, model => model.Delete);
_binder.Add(chkDeleteBinObj, model => model.DeleteBinAndObj);
_binder.Add(chkDeletePackages, model => model.DeletePackages);
_binder.AddItems(cbDeleteMonths,
(model) => model.DeleteMonthsOld = cbDeleteMonths.GetValue <int>(),
(model) => cbDeleteMonths.SetValue(model.DeleteMonthsOld), monthValues);
_binder.Add(chkArchive, model => model.Archive);
_binder.Add(tbArchivePath, model => model.ArchivePath);
_binder.AddItems(cbArchiveMonths,
(model) => model.ArchiveMonthsOld = cbArchiveMonths.GetValue <int>(),
(model) => cbArchiveMonths.SetValue(model.ArchiveMonthsOld), monthValues);
_binder.Document = _settings;
UpdateArchiveInfo();
UpdateDeleteInfo();
}