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POManually Writing the HTML in TWebBrowser Pt. 2
 

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  1. POManually Writing the HTML in TWebBrowser Pt. 2
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    <p>As the name suggests this is a continuation (sort of) of <a href="https://stackoverflow.com/questions/2784679/manually-writing-the-html-in-twebbrowser">Manually Writing the HTML in TWebBrowser</a></p> <p>This time around I'm trying to add some auto-refresh logic to the HTML I get. I have pieced together an approach from several sources (see below). In short, I am trying to locate the title node and add a meta node after it (in the HTML head node). But, I get an access violation.</p> <p>Here is the source:</p> <pre><code>iHtmlDoc := IHTMLDocument3(WebBrowser1.Document); iHtmlEleTitle := IHTMLElement2(iHtmlDoc.getElementsByName('title').item(0, 0)); iHtmlEle := IHTMLElement2(IHTMLDocument2(iHtmlDoc).createElement(Format('&lt;meta http-equiv="refresh" content="%d"&gt;', [1]))); iHtmlEleTitle.insertAdjacentElement('afterEnd', IHTMLElement(iHtmlEle)); </code></pre> <p>And A (technically not functionally) different way of doing it ...casting is slightly different here:</p> <pre><code>IHTMLElement2(IHtmlDocument3(WebBrowser1.Document).getElementsByName('title').item(0, 0)).insertAdjacentElement('afterEnd', IHTMLDocument2(WebBrowser1.Document).createElement(Format('&lt;meta http-equiv="refresh" content="%d"&gt;', [VPI_ISSUANCE_AUTO_RELOAD]))); </code></pre> <p>Again all I get from Delphi is a access exception, and I fished through MSDN documentation on it, but now I'm hoping someone out there has gone through the same and has some insight. Any help?</p> <p>Sources (I think this is all of them): <a href="http://webdesign.about.com/od/metataglibraries/a/aa080300a.htm" rel="nofollow noreferrer">http://webdesign.about.com/od/metataglibraries/a/aa080300a.htm</a> (auto-reload)<br> <a href="http://delphi.about.com/od/adptips2005/qt/webbrowserhtml.htm" rel="nofollow noreferrer">http://delphi.about.com/od/adptips2005/qt/webbrowserhtml.htm</a> (web browser document as an HTML document)<br> <a href="http://msdn.microsoft.com/en-us/library/system.windows.forms.htmlelement.insertadjacentelement(VS.80).aspx" rel="nofollow noreferrer">http://msdn.microsoft.com/en-us/library/system.windows.forms.htmlelement.insertadjacentelement(VS.80).aspx</a> (GetElementsByName)<br> <a href="http://www.experts-exchange.com/Web_Development/Components/ActiveX/Q_26131034.html" rel="nofollow noreferrer">http://www.experts-exchange.com/Web_Development/Components/ActiveX/Q_26131034.html</a> (insertAdjacentElement)<br> <a href="http://www.experts-exchange.com/Programming/Languages/Pascal/Delphi/Q_23407977.html" rel="nofollow noreferrer">http://www.experts-exchange.com/Programming/Languages/Pascal/Delphi/Q_23407977.html</a> (GetElementsByName) </p>
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