/// <summary>
/// Saves settings when form is closed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Main_FormClosed(object sender, FormClosedEventArgs e)
{
XmlDocument doc = new XmlDocument();
XmlElement settings = doc.CreateElement(XmlName);
settings.AppendChild(manager.SaveToXml(doc));
doc.AppendChild(settings);
doc.Save(SettingsFile);
Logger.Close();
}