Disable IE script debugging via IE control

Question

Bleh; Knowing how to ask the question is always the hardest so I explain a little more.

I'm using CAxWindow to create an IE window internally and passing in the URL via the string class argument:

CAxWindow wnd;
m_hwndWebBrowser = wnd.Create(m_hWnd, rect, m_URI, WS_CHILD|WS_DISABLED, 0);

It's part of an automated utility for anyone to get images from their "internal" javascript-based apps; the issue is that some people try getting images from their apps that have lots of errors; The errors fire off the IE debug window and my capture utility sits waiting for input.

Initially I thought I could disable the debugging ability via IE in windows however the process that Apache runs in and hence my App is via the SYSTEM account; not sure how I'd change the debugging options without hacking the registry.

Constantin · Accepted Answer · 2009-02-16 15:08:02Z

1

Link your app with detours or other API hooking library, hook RegQueryValue function from advapi32 and return "yes" when IE queries value for registry key "HKCU\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger".

answered Feb 16, 2009 at 15:08

Constantin

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Allen Rice · Accepted Answer · 2009-02-16 14:33:20Z

0

Would it be possible to just wrap everything in a try / catch in the javascript code that is being displayed in the CAxWindow at that URL? That would allow you to squelch all the errors, hopefully.

answered Feb 16, 2009 at 14:33

Allen Rice

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2 Comments

Christopher Lightfoot Over a year ago

Tried that; although an "exception" is being thrown it's already being handled via the web browser UI.

Allen Rice Over a year ago

I was referring to a try catch within the HTML, not the code calling the html

Christopher Lightfoot · Accepted Answer · 2009-02-17 13:27:35Z

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I found some projects on CodeProject that does something similar...

http://www.codeproject.com/KB/shell/popupblocker.aspx?fid=15235&df=90&mpp=25&noise=3&sort=Position&view=Quick&fr=51&select=646577

http://www.codeproject.com/KB/shell/popupblocker2.aspx?df=100&forumid=15709&fr=51&select=548519#xx548519xx

And also an MSDN article regarding web browser customisation:

http://msdn.microsoft.com/en-us/library/aa770041(VS.85).aspx

I found that what I was after was two interfaces called: IOleCommandTarget and IDocHostUIHandler; I needed to override the UI handler and interpret the Script exception messages and respond with a "false" to indicate I didn't care about the error;

Unfortunately I spent waaaaay too much time getting my head back into COM and trying to get their god awful system set up that I wasn't able to finish it and after a discussion with my bos regarding spending more time trying to get this working or just disabling debug in IE; we chose the later.

3 Words; I hate COM :-p (the smilie doesn't count)

I think the path I was on would solve the issue I had and my response can contribute as an "answer"; sorry if it's not what you're looking for.

answered Feb 17, 2009 at 13:27

Christopher Lightfoot

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1 Comment

Christopher Lightfoot Over a year ago

Only MS could use brackets in their URLs :-p

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