C#实现的滚动网页截图功能示例

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
  public partial class Form1 : Form
  {
    private int _currentWidth = 1024;
    private Bitmap _currentBitmap = null;
    public Form1()
    {
      InitializeComponent();
    }
private void button1_Click(object sender, EventArgs e)
{
  if (webBrowser1.Document == null)
    return;
  try
  {
    int width = _currentWidth;
    int height = webBrowser1.Document.Body.ScrollRectangle.Height;
    webBrowser1.Width = width;
    webBrowser1.Height = height;
    _currentBitmap = new Bitmap(width, height);
    webBrowser1.Stop();
    webBrowser1.DrawToBitmap(_currentBitmap, new Rectangle(0, 0, width, height));
    pictureBox1.Image = _currentBitmap;
  }
  catch (Exception ex)
  {
    MessageBox.Show(ex.ToString(), "遇到错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
  }
}
  }
}