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Unzip DLL/VBX/OCX help....

Posted on 1997-10-27
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Last Modified: 2008-03-17
I am looking for a tool that will help me unzip files from within my VB app. This way I can access things that are zipped then throw them away and unzip them again next time I use them.

Is there a free or cheap dll, vbx, or ocx out there for this?
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Question by:schworak
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by:cymbolic
ID: 1438987
go to filepile.com on the web and search for unzip.  There are a number of utilities out there that might be what you're looking for.
Also, you can always shell a task to unzip from a library for you
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by:schworak
ID: 1438988
Unfortunatly, the 9 files that I was able to locate on FilePile were actualy unzip tool themself. I am looking for a simple way to unpack things in VB without having to include a full package from another developer.

I don't need any of the test, list, or zip functions, just a simple unzip.

I did find one file called UnZip32.dll but all the documentation is in japanese. (being I located it using yahoo and it was only on a site in Japan.) if anyone has the english docs for this, I would really love that. or just the unzip declare would work. It may solve all my problems.
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felipes earned 50 total points
ID: 1438989
 I have found some time ago info-ZIP dlls. They're freeware and seems to be pretty fast and are suported. Their only problem is that the documentation is all based for C/C++ programmers... If you know C (or know somebody that can do it) and want to "translate" the declares, take a look at it. You can find their url in Yahoo! or other search engine, but i think it's at:
  http://www.cdrom.com/pub/infozip/Info-Zip.html 
  BTW, if you can have it working, please, send the declarations for me! (felipes@POBoxes.com)
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by:schworak
ID: 1438990
Thanks for the pointer. I found Info-Zip myself earlier today but I will give you a grade for the effort. Here is what I found there and I will just have to wait until the next version comes out. I hope it is soon...

AT URL: http://www.cdrom.com/pub/infozip/FAQ.html#VB

It says that VB can't access the .dll files. Next version can.
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Expert Comment

by:felipes
ID: 1438991
 I beleive vb can, but isn't supported...
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