Delphi ActiveX

Transition from Email.FindIssuer to Cert.GetIssuer

Provides instructions for replacing deprecated FindIssuer method calls with Cert.GetIssuer. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
email: TChilkatEmail;
cert: TChilkatCert;
certObj: IChilkatCert;
issuerCert: TChilkatCert;

begin
success := 0;

email := TChilkatEmail.Create(Self);
cert := TChilkatCert.Create(Self);

// ...
// ...

// ------------------------------------------------------------------------
// The FindIssuer method is deprecated:

certObj := email.FindIssuer(cert.ControlInterface);
if (email.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(email.LastErrorText);
    Exit;
  end;

// ...
// ...

// ------------------------------------------------------------------------
// Do the equivalent using Cert.GetIssuer.
// Your application creates a new, empty Cert object which is passed 
// in the last argument and filled upon success.

issuerCert := TChilkatCert.Create(Self);
success := cert.GetIssuer(issuerCert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(email.LastErrorText);
    Exit;
  end;
end;