public void AddPreference(Preference preference)
{
foreach (Preference preference_ in preferenceList)
{
if (preference_.ServiceName == preference.ServiceName)
{
throw new Exception("That preference already exists!");
}
}
preferenceList.Add(preference);
//create xml for the preference and write to disk
XmlElement newElement = preference.getXmlPreference(preferenceDoc);
preferenceDoc.Save(xmlFilename);
}
