(Delphi DLL) Transition from Cert.GetValidFromDt to Cert.ValidFromStr

Provides instructions for replacing deprecated GetValidFromDt method calls with ValidFromStr.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
cert: HCkCert;
ckdt1: HCkDateTime;
ckdt2: HCkDateTime;

begin
cert := CkCert_Create();

// ------------------------------------------------------------------------
// The GetValidFromDt method is deprecated:

ckdt1 := CkCert_GetValidFromDt(cert);
if (CkCert_getLastMethodSuccess(cert) = False) then
  begin
    Memo1.Lines.Add(CkCert__lastErrorText(cert));
    Exit;
  end;

// ...
// ...

CkDateTime_Dispose(ckdt1);

// ------------------------------------------------------------------------
// Do the equivalent using the ValidFromStr property

ckdt2 := CkDateTime_Create();
CkDateTime_SetFromRfc822(ckdt2,CkCert__validFromStr(cert));

CkCert_Dispose(cert);
CkDateTime_Dispose(ckdt2);

end;