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TElFileCertificateRetriever     See also     

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This event is fired when a certificate required for validation is missing.


    event TSBCertificateRetrievalEvent OnCertificateNeeded;
    delegate void TSBCertificateRetrievalEvent(Object Sender, TElX509Certificate Certificate, TSBGeneralName NameType, string Location, ref TElX509Certificate CACertificate);

    Event OnCertificateNeeded As TSBCertificateRetrievalEvent
    Delegate Sub TSBCertificateRetrievalEvent(ByVal Sender As Object, ByVal Certificate As TElX509Certificate, ByVal NameType As TSBGeneralName, ByVal Location As String, ByRef CACertificate As TElX509Certificate)

    property OnCertificateNeeded : TSBCertificateRetrievalEvent;
    TSBCertificateRetrievalEvent = procedure(Sender : TObject; Certificate : TElX509Certificate; NameType : TSBGeneralName; const Location : string; var CACertificate : TElX509Certificate) of object;

    void get_OnCertificateNeeded(TSBCertificateRetrievalEvent &pMethodOutResult, void * &pDataOutResult);
    void set_OnCertificateNeeded(TSBCertificateRetrievalEvent pMethodValue, void * pDataValue);
    typedef void (SB_CALLBACK *TSBCertificateRetrievalEvent)(void * _ObjectData, TObjectHandle Sender, TElX509CertificateHandle Certificate, TSBGeneralNameRaw NameType, const char * pcLocation, int32_t szLocation, TElX509CertificateHandle &CACertificate);

    TSBCertificateRetrievalEvent|callable|NULL get_OnCertificateNeeded()
    void set_OnCertificateNeeded(TSBCertificateRetrievalEvent|callable|NULL $Value)
    callable TSBCertificateRetrievalEvent(TObject $Sender, TElX509Certificate $Certificate, integer $NameType, string $Location, TElX509Certificate &$CACertificate)

    TSBCertificateRetrievalEvent getOnCertificateNeeded();
    void setOnCertificateNeeded(TSBCertificateRetrievalEvent Value);
    TSBCertificateRetrievalEvent.Callback OnCertificateNeeded = new TSBCertificateRetrievalEvent.Callback() {
        public TElX509Certificate TSBCertificateRetrievalEventCallback(TObject Sender, TElX509Certificate Certificate, TSBGeneralName NameType, String Location) {


  • Certificate - missing certificate should be passed via this parameter.
  • NameType - specifies the NameType value which identifies the certificate location.
  • Location - the location of the certificate to be retrieved.
  • CACertificate - contains the CA certificate.
  • pcLocation - the location of the certificate to be retrieved.
  • szLocation - the length of pcLocation.

Possible NameType values:


This event is fired by TElFileCertificateRetriever every time when RetrieveCertificate is called. The application should locate the requested certificate in the file system, and pass it to the Retriever.

See also:     RetrieveCertificate    

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