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8.2

HTML DOM in VB.Net

Asked by dbnewbie in Microsoft Visual Basic.Net, .NET Framework 3.x versions, .NET

Tags: .Net, Vb.Net

Given a URI, I need to be able to traverse the HTML DOM, and based on its contents, return a general description of the web page as an enumerated type.

How do I get the HTML DOM in VB.Net? I could use the web browser control, Navigate to the URI, then use the Document property to instantiate am HTMLDocument object. The problem is that the Document property cannot be used until Navigated event is triggered. This means either:

1. I create an event handler for Navigated. However, that would put control to that event handler. The method that called Navigate is the one that needs the HTML DOM. How can the calling method get the HTML DOM from the event handler?

2. I can Navigate to the URI, then do a while loop until the web browser object's ReadyState property is "Loaded" (or "Complete"). This approach seems to do no good as it just seems to loop infinitely. Plus, it seems very un-event driven programming to me.

Lastly, is the web browser control the only way I can get the HTML DOM?
[+][-]08/19/08 01:15 PM, ID: 22263473Accepted Solution

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About this solution

Zones: Microsoft Visual Basic.Net, .NET Framework 3.x versions, .NET
Tags: .Net, Vb.Net
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Solution Provided By: dbnewbie
Participating Experts: 1
Solution Grade: A
 
[+][-]08/19/08 03:23 AM, ID: 22258437Expert Comment

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[+][-]08/19/08 06:42 AM, ID: 22259638Author Comment

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[+][-]08/19/08 11:55 AM, ID: 22262666Author Comment

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