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Delphi ActiveX Requires Chilkat v11.0.0+

Transition from Email.GetSignedByCertChain to Email.LastSignerCert

Provides instructions for replacing deprecated GetSignedByCertChain method calls with LastSignerCert.

Chilkat Delphi ActiveX Downloads

Delphi ActiveX
var
success: Integer;
email: TChilkatEmail;
certChainObj: IChilkatCertChain;
signerCert: TChilkatCert;
certChain: TChilkatCertChain;

begin
success := 0;

email := TChilkatEmail.Create(Self);

//  ...
//  ...

//  ------------------------------------------------------------------------
//  The GetSignedByCertChain method is deprecated:

certChainObj := email.GetSignedByCertChain();
if (email.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(email.LastErrorText);
    Exit;
  end;

//  ...
//  ...

//  ------------------------------------------------------------------------
//  Do the equivalent using LastSignerCert to get the signing certificate,
//  then build the cert chain from the signing certificate object.

signerCert := TChilkatCert.Create(Self);
success := email.LastSignerCert(0,signerCert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(email.LastErrorText);
    Exit;
  end;

//  Get the certificate chain from the signer certificate.
certChain := TChilkatCertChain.Create(Self);
success := signerCert.BuildCertChain(certChain.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(signerCert.LastErrorText);
    Exit;
  end;