procedure TForm1.BtnVerificar2Click(Sender: TObject); 
begin 
  ShowMessage(IfThen(CheckCondicao.Checked, 'Verdadeiro', 'Falso')); 
end;

procedure TForm1.BtnVerificar2Click(Sender: TObject); 
begin 
  ShowMessage(IfThen(CheckCondicao.Checked, 1, 0).ToString );
end;

unit Unit1;
 
interface
 
uses
  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls;
 
type
 
  { TForm1 }
 
  TForm1 = class(TForm)
    BtnVerificar1: TButton;
    BtnVerificar2: TButton;
    BtnVerificar3: TButton;
    BtnVerificar4: TButton;
    CheckCondicao: TCheckBox;
    procedure BtnVerificar1Click(Sender: TObject);
    procedure BtnVerificar2Click(Sender: TObject);
    procedure BtnVerificar3Click(Sender: TObject);
    procedure BtnVerificar4Click(Sender: TObject);
  private
 
  public
 
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.lfm}
 
uses
  StrUtils,
  Math;
 
{ TForm1 }
 
procedure TForm1.BtnVerificar1Click(Sender: TObject);
begin
  if CheckCondicao.Checked then
    ShowMessage('Verdadeiro')
  else
    ShowMessage('Falso');
end;
 
procedure TForm1.BtnVerificar2Click(Sender: TObject);
begin
  ShowMessage(IfThen(CheckCondicao.Checked, 'Verdadeiro', 'Falso'));
end;
 
procedure TForm1.BtnVerificar3Click(Sender: TObject);
begin
  { delphi recente }
  ShowMessage(IfThen(CheckCondicao.Checked, 1, 0).ToString );
 
  { delphi antigo }
  ShowMessage(FloatToStr(  IfThen(CheckCondicao.Checked, 1.9, 0.1) ) );
end;
 
procedure TForm1.BtnVerificar4Click(Sender: TObject);
var
  vCalc : Integer;
begin
  vCalc := 7;
 
  { Teste com números }
  vCalc := vCalc * IfThen(CheckCondicao.Checked, 9, 2);
  ShowMessage(vCalc.ToString);
 
  { Teste com string }
  ShowMessage('O teste foi ' +
    IfThen(CheckCondicao.Checked, 'Verdadeiro', 'Falso'));
end;
 
end.