{
 In der Projekt Datei (.dpr):
 In your project's file (.dpr):
}
 uses
  Forms, Sysutils, Dialogs,
  MyProgr in my_prog1.pas {Form1};
 const
  email = 'my.mail@provider.xyz';
  homepage = 'http://www.myhomepage.com';
  // Limit the execution time to 04/21/2003.
 // Gultigkeit auf 21. April 2003 begrenzen.
 YearExp = 2003;
  MonthExp = 4;
  DayExp = 21;
 function CheckDate(y, m, d: Integer): Boolean;
 begin
  Result := True;
  if (Date > EncodeDate(y, m, d)) then
  begin
  ShowMessage('End of usage exceeded. Download a new'+
  'version at' + ^j + homepage+ ^j + ' or contact: ' + email);
  Result := False;
  // halt;
end;
 end;

 {$R *.RES}
 begin
  if CheckDate(YearExp, MonthExp, DayExp) then
  begin
  Application.Initialize;
  Application.Title := 'Some Title';
  Application.CreateForm(TForm1, Form1);
  Application.Run;
  end;
 end.