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This event is fired when the protocol requires a client certificate. This event obsoletes the OnCertificateNeeded event. Please avoid using the OnCertificateNeeded event in your applications, as OnCertificateNeededEx event gives much more flexibility.
Declaration
Parameters
Description
This event is fired by TElSSLClient when the negotiated protocol requires a client-side X509 certificate to be used during the session. TElSSLClient fires OnCertificateNeededEx event consequently, until the nil/NULL value is passed as Certificate parameter. This gives the ability to pass a certificate chain to the server, not only a single certificate. This event should be handled in the following way:
An alternative to this event is to use ClientCertStorage property.