Question

How do I disable loading Images in Vb.Net WebBrowser control

Asked by: rapier90s

Hey guys,

I have a webbrowser control which browses to a few sites.. I want to disable images from being loaded so that the connection is faster.. Not loading as in, it doesnt get loaded at all. Not just stop displaying them :)

I also want to know how to block specific domains like adserve

Thanks in advance ;)

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Asked On
2009-08-17 at 22:16:29ID24660426
Tags

disable

,

load

,

images

,

vb.net

,

webbrwoser

,

client

Topics

Microsoft Visual Basic.Net

,

.NET Framework 2.x

,

.NET Framework 3.x versions

Participating Experts
2
Points
125
Comments
11

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Answers

 

by: Mortaza_doulatyPosted on 2009-08-17 at 22:44:02ID: 25120342

In DocumentLoaded event, put this code:

origHTML = webBrowser.DocumentText
Dim newHTML as String

Dim regex as String = "<img.*/>"

newHTML = Regex.Replace(origHTML, regex, "", RegexOptions.Multiline)
webBrowser.DocumentText = newHTML

 

by: rapier90sPosted on 2009-08-17 at 23:39:49ID: 25120566

Wont that just replace the images after they load ? I dont want to download them at all so as to save on b/w and time

 

by: rapier90sPosted on 2009-08-17 at 23:41:31ID: 25120570

Also, I cant find a DocumentLoaded event ? I see a DocumentCompleted but no Loaded ?

 

by: Mortaza_doulatyPosted on 2009-08-17 at 23:43:00ID: 25120577

You're right, this just does not display them, but loads them.
Yes, try it instead.

 

by: CodeCruiserPosted on 2009-08-18 at 06:46:38ID: 25123099

There are loads of people around who are trying to achieve what you want but there is no solution the way you want it. If you want to stop downloading images then you probably have to inherit the webbrowser control and modify the functionality. Otherwise, you can delete the src tag values inside all the img tags and the images would not be rendered. What you can do is to download the html code of the page using HTTPRequest object, delete all the src tags and then load that html into the webbrowser. This way, the images would not be downloaded!


An example of inheritance
http://www.codeproject.com/KB/cpp/ExtendedWebBrowser.aspx?msg=2122134

 

by: rapier90sPosted on 2009-08-18 at 07:18:25ID: 25123470

Thanks mate ;) Exactly what I was looking for :) Points Awarded :)

 

by: rapier90sPosted on 2009-08-18 at 07:19:18ID: 31616910

Thanks for your help :) Its a bit complex but I will work it out somehow lol But I have to appreciate you for being able to provide a solution :)

 

by: CodeCruiserPosted on 2009-08-18 at 07:33:09ID: 25123643

Was it originally a 125 points question?

 

by: rapier90sPosted on 2009-08-19 at 00:07:27ID: 25130182

Yes.. Didnt you get the points ? or do you want more ?  I am quite pleased with your help so I dont mind ;)

 

by: CodeCruiserPosted on 2009-08-19 at 01:19:25ID: 25130490

I thought its a 500 point question.

 

by: rapier90sPosted on 2009-08-19 at 03:05:06ID: 25130989

oops Sorry lol I am afraid I am a new member and cant afford 500 points :(

If it helps, you can try to solve this one :-

http://www.experts-exchange.com/Programming/Languages/.NET/Visual_Basic.NET/Q_24664191.html


and get another 125 ;)

20120131-EE-VQP-002

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