怎样把WebBrowser1浏览的网页生成为一幅图片,该如何解决

怎样把WebBrowser1浏览的网页生成为一幅图片
直接WebBrowser1.PaintTo   到image里为空白的

------解决方案--------------------
unit Unit1;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls,shdocvw,MSHTML,ActiveX, OleCtrls, ExtCtrls;

type
TForm1 = class(TForm)
Button1: TButton;
WebBrowser1: TWebBrowser;
Image1: TImage;
procedure Button1Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var
ViewObject: IViewObject;
sourceDrawRect: TRect;
begin
if Webbrowser1.Document <> nil then
try
webbrowser1.Document.QueryInterface(IViewObject, ViewObject);
if ViewObject <> nil then
try
sourceDrawRect := Rect(0, 0, Image1.Width, Image1.Height);
ViewObject.Draw(DVASPECT_CONTENT, 1, nil, nil, Self.Handle,
image1.Canvas.Handle, @sourceDrawRect, nil, nil, 0);
image1.Repaint;
finally
ViewObject._Release;
end;
except
end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
WebBrowser1.Navigate(extractfilepath(paramstr(0))+ '搜狐新闻.htm ');
end;

end.
------解决方案--------------------
www.2ccc.com 上有现成代码.楼主可以下载看一下.

下载地址:
http://www.2ccc.com/article.asp?articleid=3653