Delphi ActiveX

Transition from Cert.ExportPrivateKey to Cert.GetPrivateKey

Provides instructions for replacing deprecated ExportPrivateKey method calls with GetPrivateKey. 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;
cert: TChilkatCert;
privatekeyObj: IPrivateKey;
privatekeyOut: TPrivateKey;

begin
success := 0;

cert := TChilkatCert.Create(Self);

// ------------------------------------------------------------------------
// The ExportPrivateKey method is deprecated:

privatekeyObj := cert.ExportPrivateKey();
if (cert.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

// ...
// ...

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

privatekeyOut := TPrivateKey.Create(Self);
success := cert.GetPrivateKey(privatekeyOut.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;
end;