unit qq;

interface

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

type
  TForm2 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;
  Function Jia(x,y:Integer):Integer;stdcall;external'jj.dll';
implementation

{$R *.dfm}

procedure TForm2.Button1Click(Sender: TObject);

var
x,y,z:integer;
 begin
 x:=strtoint(Edit1.Text);y:=strtoint(edit2.Text);
 z:=jia(x,y);
 Edit3.Text:=inttostr(z);
end;

end.