C# 打印webBrowser打开的页面

this.webBrowser.Navigate(webBrowserUrl, tagerFrameName, postBuffer, heads);
this.webBrowser.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(WebBrowser_DocumentCompleted);

void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
WebBrowser webBrowser = (WebBrowser)sender;
//WebBrowserReadyState.Interactive 和WebBrowserReadyState.Complete 时都会触发DocumentCompleted
if (webBrowser.ReadyState == WebBrowserReadyState.Complete)
{
//webBrowser1.DocumentText 获取的内容中文会乱码
//获取文档编码
Encoding encoding = Encoding.GetEncoding(webBrowser.Document.Encoding);
StreamReader stream = new StreamReader(webBrowser.DocumentStream, encoding);
File.WriteAllText(@"D:\mzwu.txt", stream.ReadToEnd(), Encoding.Unicode);
MessageBox.Show(DateTime.Now.ToString() + ": 页面内容获取完成! ");
}
}