Handle 7z Compressed File In VB.NET (Not Shell)

[Shohag_ifas]

Greetings..
hope all members of this community is fine.

I have a specific needs/help about 7z compress file. I hope all knows what is 7z file. It's a compress file format created by 7zip.

I have lot's of data I need to give to end user what is 10+ GB (after compressing with 7zip).

So, I compress the data using 7zip and split the files 1024MB (1GB).
So, for example for 10GB Data it will be 10 files likes:

Data.001.7z
Data.002.7z
Data.003.7z
Data.004.7z
Data.005.7z
Data.006.7z
Data.007.7z
Data.008.7z
Data.009.7z
Data.010.7z

so, I put those data on 3 DVD disk.

I also made a extractor/installer (later I will call it my app) for that data.

my app use 7zip CLI (Command line interface) in background to extract the data. I put my installer also in the DVD.

Current Scenario:
Now user have to first copy all the disks (for this example 3 disk) in a single folder. Then run my installer to extract the file.

they have to put all the disk into single/same folder because 7z GuI/CLI doesn't support looking for not found files. by that I means for example if Data.006.7z file is missing it will not ask user to browse and select that file. It will just abort the process with error message.

The Issue With Current Scenario:
As mentioned above, user have to first copy all the disk into their hdd. It's have 3 major issue:

1. They must have that much space to copy all the disk in to same folder/drive
2. It will take so long to copy the disk then extract the data.
3. It need double space than it should :(

What I am looking for:
I have seen 7zip have LZMA SDK. but don't have vb.net client library for that . I am looking to use that LZMA SDK in my vb.net project. So, I can handle those 7z files and overcome 7zip gui/issue.

So, my app will first extract the 7z files that found in disk 1 for example 001 to 004 then it ask for the 2nd disk and when user put 2nd disk it will continue from that number for example 005 and ask for disk 3 when it needs and so on..

hope that makes sense ?

I know this is possible because I see some installer use LZMA to compress the files that could cover multiple disk and then installer install them correctly

so, can any one help me to achieve the goal? please?

thank in advance..

best regards

[Shohag_ifas]

any one? any help? please?

[techgnome]

according to their site it does support C#... which is just a hop from VB.NET.
http://www.7-zip.org/sdk.html


-tg

[Shohag_ifas]

according to their site it does support C#... which is just a hop from VB.NET.
http://www.7-zip.org/sdk.html

-tg

thanks a lot for your reply sir. however before i post the topic i looked over that and also here and there then i post this topic. The sample/source code for C# found there is not that much helpful

however thanks for your sharing sir..

best regards

[Shohag_ifas]

any one please?

[Shohag_ifas]

so? no helping hand around?