Blocking message boxes from server in webbrowser

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Hello,
Alright guys, sorry for bad question, I'll try to explain it better. All I have is simple webBrowser and I want to try to use it to avoid popping message from random server. That "popping message" looks exactly like normal message box but since somebody told me there's nothing like message box from server then I have no idea how to call it :D. It pops out when you click on the button on the website. So I was thinking about if there's some kind code which can close/block it without user needing to interfere. Maybe some kind of block using the message's header would be enough :). But after searching for hours all I've found was INewWindowManager interface and I just couldn't get it to work. I don't have any special codes for this I just use webBrowser and websites where I'm trying to do this are not mine so I can't provide any code of mine.
Thanks for any help!

Posted 27-Feb-13 7:55am

LosEagle

Updated 27-Feb-13 9:01am

v3

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Sergey Alexandrovich Kryukov 27-Feb-13 13:57pm

There is no such thing as "message boxes from server". Without appropriate code sample, who know if you screw up something and where?
—SA

AspDotNetDev 27-Feb-13 14:33pm

In the past, I have created instances of WebBrowser controls (on the server) in order to render web pages, which I then embedded into PDFs (when then got served up to the client for download). If some JavaScript initiated an alert() during that process, that could potentially screw things up. I suspect this is what the OP is talking about, but OriginalGriff is right that they should clarify so we don't waste our time trying to read their mind.

OriginalGriff 27-Feb-13 13:58pm

This is not a good question - we cannot work out from that little what you are trying to do.
Remember that we can't see your screen, access your HDD, or read your mind.
Use the "Improve question" widget to edit your question and provide better information.

loctrice 27-Feb-13 14:05pm

I'm saving this for proof that you can't do the things mentioned. I will use it against you in the lounge some day for sure.

OriginalGriff 27-Feb-13 14:15pm

-shhh- I'm trying to hide my super powers.

Sergey Alexandrovich Kryukov 27-Feb-13 14:45pm

OK, you did not really properly mentioned something. In my opinion, you already earned extermination from this site: for plain lie and attempt to manipulate. OriginalGriff does not look like a person easy for manipulations though... :-)

You got an abuse report from me.

As to the the "use it against... in the lounge"... have you heard the saying: "only slaves revenge"?..

Good luck,
—SA

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Volodymyr Bobko · Answer 1 · 2013-02-27T10:10:00

Solution 1

As far as I understand you need to block message boxes like alert(), or confirm() to make sure that they'll not stuck your scripts. If yes, what can I suggest is to render (execute) following script in your hidden browser:

JavaScript

alert = function(){};
confirm = function(){};

Works perfectly for me in chrome, firefox, and doesn't work in IE.

Posted 27-Feb-13 10:10am

Volodymyr Bobko

Updated 27-Feb-13 10:40am

v2

Comments

LosEagle 28-Feb-13 2:41am

Yes you perfectly understand what I need to do :). But I need to make webBrowser from Visual Studio to do this and the problem is that VS uses IE :(. But thanks for help anyway! Will note this answer as it seems useful.

Volodymyr Bobko 28-Feb-13 5:40am

Just checked once again and -
it doesn't work in IE8 and IE7, and works fine in IE9.

But in IE 8/7 you can achieve the same result with the following script:
var alert = function(){};
alert(); // do nothing

LosEagle 28-Feb-13 11:11am

This looks like it can work but how can I please use this? I'm totally new in scripting so sorry for stupid questions.

Volodymyr Bobko 28-Feb-13 15:26pm

If you can preprocess web page HTML before passing it to your browser you can insert this script directly into your web page.
<script language="javascript">
var alert = function () { };
var confirm = function () { return true; }
</script>