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POWaiting for WebBrowser to fully load between multiple Navigate() calls
 

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  1. POWaiting for WebBrowser to fully load between multiple Navigate() calls
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    <p>I am venturing into WPF - first time in (VB).NET - and trying to re-create a project I started in MS Access VBA. It basically scrapes a series of pages within a web application. As you may have surmised I am having trouble with the LoadCompleted event.</p> <p>I have searched and found some information on it, but the "flow" of the code only lends itself to waiting for one page to load. For example: </p> <p><a href="http://social.msdn.microsoft.com/Forums/nn-NO/wpf/thread/52c1bc55-dd41-468c-8759-a42726635d4b" rel="nofollow">http://social.msdn.microsoft.com/Forums/nn-NO/wpf/thread/52c1bc55-dd41-468c-8759-a42726635d4b</a></p> <p>All of the code execution is run in the DocumentLoaded event which works fine when you just need to navigate to one page and execute code. But I need to perform a series of these cycles for my application. </p> <p>How can I reliably wait for the document to fully load while still keeping the code execution in the same Sub AND not locking the UI thread? </p> <p>Here's a basic idea of what I'm trying to do. </p> <ol> <li>Navigate to page</li> <li>Wait for page to fully load</li> <li>do stuff</li> <li>Navigate to page</li> <li>Rinse, Repeat</li> </ol> <p>P.S - .NET is very new to me so please don't give my brain a stack overflow ;)</p> <p>Thanks, Brian</p> <p><strong>-## EDIT ##-</strong> </p> <p>This is what I use to do in VBA. This is exactly what I'm trying to do, just in the ".NET" way and without blocking the UI Thread:</p> <pre><code>Dim oIE = New SHDocVw.InternetExplorer With oIE .Navigate(strURL) .Visible = False ' loop until the page finishes loading Do While oIE.Busy : Loop Do While oIE.ReadyState &lt;&gt; 4 : Loop 'Code goes here to read DOM, get fields and click a button (logging in to site) 'My code execution is done and now I'm ready to go to the next page and read the DOM .Navigate(strURL) End With </code></pre> <p>. . . .</p> <p>That's it. Repeat for <em>n</em> times. my interactions with each DOM are significantly different. </p>
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