public static void SaveSettingsToFile(string settingsDirectory, bool forCurrentUserOnly)
        {
            string filename = settingsDirectory + "\\";

            if (forCurrentUserOnly)
            {
                filename += Environment.UserName + ".settings";
            }
            else
            {
                filename += "app.settings";
            }

            appSettingsDataset.WriteXml(filename, XmlWriteMode.IgnoreSchema);
        }