(* DataLock is a Tool for data protection Copyright (C) 2022 Rino Russo https://www.rinorusso.it This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *) unit unit_pin; {$mode ObjFPC}{$H+} interface uses Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, StdCtrls, MaskEdit; type { TFormPin } TFormPin = class(TForm) Button1: TButton; pwd: TEdit; Panel5: TPanel; procedure FormShow(Sender: TObject); procedure pwdKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState); private public end; var FormPin: TFormPin; implementation {$R *.frm} { TFormPin } procedure TFormPin.FormShow(Sender: TObject); begin pwd.SetFocus; end; procedure TFormPin.pwdKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState ); begin if Key = 13 then modalresult:=mrOk; // chiude il form e valida il pin end; end.