[NumLock]

Код:

unit Unit1;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

procedure Close;
begin
  Form1.Label1.Caption:='Close';
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Unit1.Close;
end;