public WindowMain()
{
BrowserContext browserContext = BrowserContext.DefaultContext;
Browser browser = BrowserFactory.Create(browserContext);
browser.FinishLoadingFrameEvent += delegate(object sender, FinishLoadingEventArgs e)
{
if (e.IsMainFrame)
{
DOMDocument document = browser.GetDocument();
XPathResult result = document.Evaluate("count(//div)");
// If the expression is not a valid XPath expression or the document
// element is not available, we'll get an error.
if (result.IsError)
{
Console.WriteLine("Error: " + result.ErrorMessage);
return;
}
// Make sure that result is a number.
if (result.IsNumber)
{
Console.WriteLine("Result: " + result.Number);
}
}
};
browserView = new WPFBrowserView(browser);
Content = browserView;
Width = 1024;
Height = 768;
this.Loaded += WindowMain_Loaded;
}
private void button1_Click(object sender, RoutedEventArgs e)
{
DOMDocument document = browser.GetDocument();
//XPath expressions
XPathResult resultNum = document.Evaluate("count(//div)");
XPathResult resultNumSpec = document.Evaluate("count(//div[@class='col-sm-4 prod-thumb'])");
XPathResult result = document.Evaluate("string( / html / body / div[2] / div[2] / div[1] / div[2] / div / div[1] / div[2] / h3 / a)");
XPathResult resultNodes = document.Evaluate("/ html / body / div[2] / div[2] / div[1] / div[2] / div / *");
//Check if XPath result type is correct
if (resultNum.IsNumber && resultNumSpec.IsNumber)
{
label1.Content = "Quantity of all <div> = " + resultNum.Number;
label2.Content = "Quantity of <div> with class 'col-sm-4 prod-thumb' = " + resultNumSpec.Number;
}
else
{
label1.Content = "Error";
label2.Content = "Error";
}
//Check if XPath result type is correct
if (result.IsString)
{
label3.Content = "Text from selected element: " + result.String;
}
else
{
label3.Content = "Error";
}
//Check if XPath result type is correct
if (resultNodes.IsIterator)
{
label4.Content = resultNodes.ResultType;
}
else
{
label4.Content = "Mistake";
}
//Get list with DOMNodes
var tmp = resultNodes.Iterator.Select(item => item.Node.Children);
try
{
//Extract list with DOMNodes
foreach (var item in tmp)
{
foreach (var item1 in item)
{
//Extract DOMNode from the list
label4.Content = "Node type: " + item1.NodeType;
label5.Content = "Node name: " + item1.NodeName;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
