The CERT_REVOCATION_PARA structure may optionally be passed to CertVerifyRevocation to assist in finding the issuer of the context to be verified.
typedef struct _CERT_REVOCATION_PARA {
    DWORD                   cbSize;
    PCCERT_CONTEXT          pIssuerCert;
    DWORD                   cCertStore;
    HCERTSTORE              *rgCertStore;
} CERT_REVOCATION_PARA, *PCERT_REVOCATION_PARA;