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8.6

WebBrowser Control related question

Asked by StraySod in Windows MFC Programming, C++ Programming Language, Microsoft Visual C++

Tags: Multiprocess, daemon, WebBrowser Control, automatic restart

Hi Experts,

I would like to ask a few question, I will put them in one thread because they all are related to my issue. I would like to choose one solution, but not sure if some of them are nonsense.

I have an MFC application with embedded MS's WebBrowser Control, using CHtmlView derived class. I need the user to be able to switch between IE's emulation modes but the only way is to set a registry key value (http://blogs.msdn.com/ie/archive/2009/03/10/more-ie8-extensibility-improvements.aspx). This makes sence only when IE8 installed of course.
I'm not able to switch those modes at runtime but I need this feature. Possible solutions/bypasses I was able to think out are:

1. to unload all IE related dll's from address space after destroying browser, change the registry key value and finally reload the dll's by creating browser again. This is probably most naive solution I suggest :) Maybe it's completely wrong. Is there a way how to unload unused dlls? Or to unload a single dll which wasn't loaded using LoadLibrary function?

2. to automaticaly restart whole application and use the new value of reg. key. One solution for autorestart could be to run a daemon process which would do the job. Is it right? I never did it before, so there could be better way. Could you please suggest. Where to find resources on how to develop daemon processes? (this is not a user-friendly solution but will certainly work)

3. to create a multiprocess application and restart only the process with browser. Never tried before and I'm not familiar with multiprocess application development. Could you suggest resources please? (this could be the most clean solution)

Please let me know which solution would you choose and where to find some relevant resources. Of course you can suggest another possibilities :)

Thank you in advance!

Regards,
martin
[+][-]11/04/09 12:46 PM, ID: 25743724Expert Comment

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[+][-]11/04/09 02:04 PM, ID: 25744475Accepted Solution

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Zones: Windows MFC Programming, C++ Programming Language, Microsoft Visual C++
Tags: Multiprocess, daemon, WebBrowser Control, automatic restart
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Solution Provided By: DanRollins
Participating Experts: 3
Solution Grade: A
 
[+][-]11/04/09 04:56 PM, ID: 25745848Expert Comment

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