Объявляется ли WebBrowser?

unit Report;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, OleCtrls, SHDocVw, StdCtrls;
 
type
  TReportFrm = class(TForm)
    PrintBtn: TButton;
    WebBrowser1: TWebBrowser;
    CloseBtn: TButton;
    procedure CloseBtnClick(Sender: TObject);
    procedure PrintBtnClick(Sender: TObject);
    procedure FormActivate(Sender: TObject);
    {procedure WebBrowserControlInterface(Sender: TObject); }
  private
 
 
    { Private declarations }
  public
        page : string;
    { Public declarations }
  end;
 
var
  ReportFrm: TReportFrm;
 
implementation
 
 
uses MAIN;
 
{$R *.dfm}
 
 
procedure TReportFrm.PrintBtnClick(Sender: TObject);
 var
  vaIn, vaOut: OleVariant;
begin
     // печать отчета
    WebBrowser.ControlInterface.ExecWB(OLECMDID_PRINT,OLECMDEXECOPT_DONTPROMPTUSER, vaIn, vaOut);
 
end;
 
procedure TReportFrm.FormActivate(Sender: TObject);
begin
 WebBrowser.Navigate(page);
end;
 procedure TReportFrmCloseBtnClick(Sender: TObject);
begin
close;
end;
 
end.