[C#]
    TElX509Certificate Certificates[int Index];

[VB.NET]
    Property Certificates(ByVal Index As Integer) As TElX509Certificate

[Pascal]
    property Certificates[Index: integer]: TElX509Certificate;

[VB6]
    Function IElX509CertificateChainX.GetCertificate(ByVal Index As Integer) As IElCertificateX

[ActiveX]
    HRESULT _stdcall IElX509CertificateChainX.GetCertificate([in] long Index, [out, retval] IElCertificateX ** Value);

[DLL]
    not implemented;