/// <summary>
/// The ToXML Function gets as a paramter a PlaneDataModel pdm and returns its string xml form.
/// </summary>
/// <param name="pdm">PlaneDataModel pdm.</param>
/// <returns>returns pdm's string xml form.</returns>
public string ToXML(PlaneDataModel pdm)
{
StringBuilder sb = new StringBuilder();
XmlWriterSettings settings = new XmlWriterSettings();
XmlWriter writer = XmlWriter.Create(sb, settings);
writer.WriteStartDocument();
pdm.ToXML(writer);
writer.WriteEndDocument();
writer.Flush();
return(sb.ToString());
}
