unit Main;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, CaptchaCtrl;

type

  { TForm1 }

  TForm1 = class(TForm)
    btnVerify: TButton;
    btnRetry: TButton;
    Captcha1: TCaptchaLabel;
    edCaptcha: TEdit;
    GroupBox1: TGroupBox;
    procedure btnRetryClick(Sender: TObject);
    procedure btnVerifyClick(Sender: TObject);
    procedure FormActivate(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private

  public

  end;

var
  Form1: TForm1;

implementation

{$R *.lfm}

{ TForm1 }

procedure TForm1.btnRetryClick(Sender: TObject);
begin
  Captcha1.NewCaptcha;
  edCaptcha.Clear;
end;

procedure TForm1.btnVerifyClick(Sender: TObject);
begin
  if edCaptcha.Text = '' then
    ShowMessage('No CAPTCHA code entered.')
  else
  if Captcha1.Verify(edCaptcha.Text) then
    ShowMessage('Input accepted.')
  else
    ShowMessage('Sorry. Your input does not match.' + LineEnding +
      'The correct value would have been: ' + Captcha1.Text);
end;

procedure TForm1.FormActivate(Sender: TObject);
begin
  Constraints.MinHeight := Height;
  Constraints.MaxHeight := Height;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Randomize;
  cInputQueryEditSizePercents := 0;
end;

end.