代码
1
using System;2
using System.Collections.Generic;3
using System.Text;4
using System.Data;5
using System.Windows.Forms;6
using System.Drawing;7

8
namespace EcsinoBrowser.Common9


{10

/**//// <summary>11
/// WebSnap :网页抓图对象12
/// </summary>13
public class WebSnap14

{15
public WebSnap()16

{17
//18
// TODO: 在此处添加构造函数逻辑 //19
}20

21

/**//// <summary>22
/// 开始一个抓图并返回图象23
/// </summary>24
/// <param name="Url">要抓取的网页地址</param>25
/// <returns></returns>26
public Bitmap StartSnap(string Url)27

{28
WebBrowser myWB = this.GetPage(Url);29
Bitmap returnValue = this.SnapWeb(myWB);30
myWB.Dispose();31
return returnValue;32
}33

34
private WebBrowser GetPage(string Url)35

{36
WebBrowser myWB = new WebBrowser();37
myWB.ScrollBarsEnabled = false;38
myWB.Navigate(Url);39
while (myWB.ReadyState != WebBrowserReadyState.Complete)40

{41
System.Windows.Forms.Application.DoEvents();42
}43
return myWB;44
}45

46
private Bitmap SnapWeb(WebBrowser wb)47

{48
HtmlDocument hd = wb.Document;49
int height = Convert.ToInt32(hd.Body.GetAttribute("scrollHeight")) + 10;50
int width = Convert.ToInt32(hd.Body.GetAttribute("scrollWidth")) + 10;51
wb.Height = height;52
wb.Width = width;53
Bitmap bmp = new Bitmap(width, height);54
Rectangle rec = new Rectangle();55
rec.Width = width;56
rec.Height = height;57
wb.DrawToBitmap(bmp, rec);58
return bmp;59
}60
}61
}62

代码使用
1
Common.WebSnap websnap = new EcsinoBrowser.Common.WebSnap();2
Bitmap bmp = websnap.StartSnap(webBrowser1.Url.ToString());3
bmp.Save(Application.StartupPath + @"\crl.jpg");4
bmp.Dispose();
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