unit main;

interface

uses
  SysUtils, Windows, Messages, Classes, Graphics, Controls,
  Forms, Dialogs, StdCtrls, Tmultiply;

type
  TForm1 = class(TForm)
    Mult1: TMult;
    EdVal1: TEdit;
    EdVal2: TEdit;
    EdResult: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Mult1TooBig(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
 Mult1.Val1 := StrToInt(EdVal1.Text);
 Mult1.Val2 := StrToInt(EdVal2.Text);
 Mult1.DoMult;
 EdResult.Text := IntToStr(Mult1.Res);
end;

procedure TForm1.Mult1TooBig(Sender: TObject);
begin
 Application.MessageBox('Number Too Big!', 'Attention', MB_OK);
end;

end.