public class TrackingNoteClass : ITrackingNote, TrackingNote { public virtual string CCDNumber { get; set; } public virtual string CountryOfOrigin { get; set; } public virtual string CustomsTerminal { get; set; } public virtual DateTime Date { get; set; } public virtual SAPbobsCOM.TrackingNoteBrokerCollection TrackingNoteBrokerCollection { get; } public virtual SAPbobsCOM.TrackingNoteItemCollection TrackingNoteItemCollection { get; } public virtual int TrackingNoteNumber { get; } public extern TrackingNoteClass(); public virtual extern void FromXMLFile( string bstrFileName); public virtual extern void FromXMLString( string bstrXML); public virtual extern string GetXMLSchema(); public virtual extern void ToXMLFile( string bstrFileName); public virtual extern string ToXMLString(); }