How can I get an HtmlElementCollection from a WPF WebBrowser

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小鲜肉
小鲜肉 2020-12-21 09:23

My old WinForm application used HtmlElementCollection to process a page

HtmlElementCollection hec = this.webbrowser.Document.GetElementsByTagName(\"input\");         


        
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  • 2020-12-21 10:10

    You need to add reference to Microsoft.mshtml and then you need to cast document as mshtml.HTMLDocument. After you do that you should be able to use getElementsByTagName() method

     var document = webBrowser.Document as mshtml.HTMLDocument;
     var inputs = document.getElementsByTagName("input");
     foreach (mshtml.IHTMLElement element in inputs)
     {
    
     }
    

    getElementsByTagName() returns mshtml.IHTMLElementCollection and each item is of a mshtml.IHTMLElement type

    EDIT

    Alternative solution, if you need to use WinForms WebBrowser you can use that instead of the WPF one. Add reference to WindowsFormsIntegration and System.Windows.Forms, create namespace in XAML and use different browser control

    <Window ...
        xmlns:winforms="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms">
        <WindowsFormsHost>
            <winforms:WebBrowser x:Name="webBrowser"/>
        </WindowsFormsHost>
    </Window>
    
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