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unit webbrower;

interface

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

type
  TForm1 = class(TForm)
    WebBrowser1: TWebBrowser;
    Button1: TButton;
    WebBrowser2: TWebBrowser;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure WebBrowser1NewWindow2(Sender: TObject; var ppDisp: IDispatch;
      var Cancel: WordBool);
    procedure WebBrowser2BeforeNavigate2(Sender: TObject;
      const pDisp: IDispatch; var URL, Flags, TargetFrameName, PostData,
      Headers: OleVariant; var Cancel: WordBool);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
  uses Activex;

  const
  OLECMDID_OPTICAL_ZOOM = 63;

procedure TForm1.Button1Click(Sender: TObject);
begin

Webbrowser1.Navigate('http:\\www.hao123.com')   ;
end;

procedure TForm1.WebBrowser1NewWindow2(Sender: TObject;
  var ppDisp: IDispatch; var Cancel: WordBool);
begin
    ppDisp := Webbrowser2.Application;
end;

procedure TForm1.WebBrowser2BeforeNavigate2(Sender: TObject;
  const pDisp: IDispatch; var URL, Flags, TargetFrameName, PostData,
  Headers: OleVariant; var Cancel: WordBool);
begin
   WebBrowser1.Navigate(string(URL)); // 再指回WebBrowser1
Cancel := True
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  WebBrowser1.GoBack;
end;

procedure TForm1.Button3Click(Sender: TObject);

var
  ZoomIn: OleVariant;
begin
     ZoomIn := 150;
//WebBrowser1.ExecWB(OLECMDID_OPTICAL_ZOOM, OLECMDEXECOPT_DODEFAULT, ZoomIn); // TWebBrowser 調用的是 IE, 放縮頁面是在 IE7 之后才支持的.

WebBrowser1.ExecWB(OLECMDID_PAGESETUP, OLECMDEXECOPT_DODEFAULT, EmptyParam, EmptyParam);  //打印頁面設置

end;

initialization
    oleinitialize(nil);
finalization
    oleuninitialize;
end.