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(Mono C#) Getting Started Spidering a Site

This is a very simple "getting started" example for spidering a web site. As you'll see in future examples, the Chilkat Spider library can be used to crawl the Web. For now, we'll concentrate on spidering a single site.

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Chilkat.Spider spider = new Chilkat.Spider();

// The spider object crawls a single web site at a time.  As you'll see
// in later examples, you can collect outbound links and use them to 
// crawl the web.  For now, we'll simply spider 10 pages of chilkatsoft.com
spider.Initialize("www.chilkatsoft.com");

// Add the 1st URL:
spider.AddUnspidered("http://www.chilkatsoft.com/");

// Begin crawling the site by calling CrawlNext repeatedly.
int i;
for (i = 0; i <= 9; i++) {
    bool success;
    success = spider.CrawlNext();
    if (success == true) {
        // Show the URL of the page just spidered.
        Debug.WriteLine(spider.LastUrl);
        // The HTML is available in the LastHtml property
    }
    else {
        // Did we get an error or are there no more URLs to crawl?
        if (spider.NumUnspidered == 0) {
            Debug.WriteLine("No more URLs to spider");
        }
        else {
            Debug.WriteLine(spider.LastErrorText);
        }

    }

    // Sleep 1 second before spidering the next URL.
    spider.SleepMs(1000);
}


 

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