WebBrowser-based crawler programs

Source: Internet
Author: User

  1. Properties and events for WebBrowser
  2. WebBrowser How to jump page
    1. Web. Navigate ("");
  3. WebBrowser How to loop jump to get page content
  4. BOOLLoading =true;//the variable indicates whether the Web page is loading.        stringHTML =string.        Empty; WebBrowser Browser=NewWebBrowser ();  Public voidGethtml (string[] URLs) {Browser. Navigated+=NewWebbrowsernavigatedeventhandler (browser_navigated); foreach(stringUrlinchURLs) {Loading=true;//indicates that a load is being loadedBrowser.                Navigate (URL);  while(Loading) {application.doevents ();//wait for this load to complete before performing the next loop.                }            }        }        voidBrowser_navigated (Objectsender, WebBrowserNavigatedEventArgs e) {HTML= Browser. DocumentText;//gets the HTML to.Loading=false;//when the load is complete, set the variable to False, and the next loop begins execution.        }

  5. Full code

WebBrowser-based crawler programs

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