Delphi DLL

Transition from Email.GetSignedByCert to Email.LastSignerCert

Provides instructions for replacing deprecated GetSignedByCert method calls with LastSignerCert. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
email: HCkEmail;
certObj: HCkCert;
certOut: HCkCert;

begin
success := False;

email := CkEmail_Create();

// ...
// ...

// ------------------------------------------------------------------------
// The GetSignedByCert method is deprecated:

certObj := CkEmail_GetSignedByCert(email);
if (CkEmail_getLastMethodSuccess(email) = False) then
  begin
    Memo1.Lines.Add(CkEmail__lastErrorText(email));
    Exit;
  end;

// ...
// ...

CkCert_Dispose(certObj);

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

certOut := CkCert_Create();
success := CkEmail_LastSignerCert(email,0,certOut);
if (success = False) then
  begin
    Memo1.Lines.Add(CkEmail__lastErrorText(email));
    Exit;
  end;

CkEmail_Dispose(email);
CkCert_Dispose(certOut);

end;