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Internet explorer cached files

Posted on 2001-06-14
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Last Modified: 2012-05-04
Hi now im at it again,

I am building my own internal browser and need to add save functionality now since an image already has been downloaded to a chache directory there is no point in downloading it from the net again. There for my broblem.
How to get the corresponding filename from the disk. I am using:

htmlWin.event.srcElement.NameProp to get the image name, now internet explorer sometimes renames the files when chaching it an image called banner1.jpg may actually be named banner1[1].jpg on the disk my first question is: is the 1 inside [] the property: htmlWin.event.srcElement.uniqueNumber? or something else.
Next question is: are there a good way to know where the chache directory is? I now that there is a key in the registry under HKEY_Local_Machine\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths called Directory but I have noticed that internet exlorer sometimes creates subdirectories and puts the file in there (and ofcourse there are the cache1, cache2, cache3 ... directories)

regards
/Claes


Or mayby there is a way to catch a ondownload event for every object on the html page and steer my browser to cache its files in a different directory? I am using
Webbrowser, htmlDoc and htmlWindow2 components..

Or mayby I could convert the htmlImg to a real Image and save it to disk is this possible?
how to set Image1 = htmlImg?
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Question by:clylv
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4 Comments
 
LVL 6

Expert Comment

by:andyclap
ID: 6190042
Just a quick comment - if you're using the web browser control, it will take care of cacheing for you. If an image is available in the cache, and you're not doing a full refresh, it should pick it up from there rather than doing a GET from the server.
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Author Comment

by:clylv
ID: 6190074
andyclap I now this but MY program needs to get a hold of it (the image) now how I can extract it from the webbrowser control into an Image control?
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LVL 6

Accepted Solution

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andyclap earned 150 total points
ID: 6190194
Sorry, I misunderstood the question a bit.
There's some sample code for reading the internet cache at
http://www.vbusers.com/code/codeget.asp?ThreadID=209&PostID=1&NumReplies=0

It should give you some pointers as to how to use wininet.dll's cache functions (which are a bit of a pain as they're not very VB friendly).


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Author Comment

by:clylv
ID: 6190386
andyclap: it is as u say "not very VB friendly" but never the less IT WORKS perfectly

thanx
/Claes
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