void UpdateCustomPacCache() { var bs = setting.GetBasicSetting(); var fileName = bs.customPacFileName; customPacFileCache = string.Empty; if (File.Exists(fileName)) { try { var content = File.ReadAllText(fileName); customPacFileCache = content ?? string.Empty; } catch { } } Libs.Sys.ProxySetter.SetPacProxy(GetPacUrl()); setting.SendLog(I18N.SystemProxySettingUpdated); }