/// <summary>
/// Stores option groups and their values in an XML file and sets the
/// IsDirty flag to false.
/// </summary>
/// <param name="fileName"></param>
void IEngine.WriteXML(string fileName)
{
var xmlWriter = new XMLLayer();
xmlWriter.WriteXML(fileName, this);
IsDirty = false;
}
/// <summary>
/// Stores option groups and their values in a string containing XML
/// formatted data and sets the IsDirty flag to false.
/// </summary>
/// <returns></returns>
public string WriteXML()
{
var xmlWriter = new XMLLayer();
string result = xmlWriter.WriteXML(this);
IsDirty = false;
return(result);
}