public class CreditLineClass : ICreditLine, CreditLine { public virtual int AbsId { get; set; } public virtual int CreditCard { get; } public virtual string CreditCurrency { get; } public virtual string Customer { get; } public virtual BoYesNoEnum Deposited { get; } public virtual int NumOfPayments { get; } public virtual DateTime PayDate { get; } public virtual int PaymentMethodCode { get; } public virtual string Reference { get; } public virtual double Total { get; } public virtual BoYesNoEnum Transferred { get; } public virtual string VoucherNumber { get; } public extern CreditLineClass(); 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(); }