Zip files c sharp

Are you using. NET 3. You could use the ZipPackage class and related classes. Its more than just zipping up a file list because it wants a MIME type for each file you add. It might do what you want. I'm currently using these classes for a similar problem to archive several related files into a single file for download.

We use a file extension to associate the download file with our desktop app. One small problem we ran into was that its not possible to just use a third-party tool like 7-zip to create the zip files because the client side code can't open it -- ZipPackage adds a hidden file describing the content type of each component file and cannot open a zip file if that content type file is missing.

I was in the same situation, wanting to. NET instead of a third party library. As another poster mentioned above, simply using the ZipPackage class introduced in. If this file is added, then the resulting ZIP package can be opened directly from Windows Explorer - no problem.

Once added, I could browse the package from Windows Explorer or programmatically decompress and read its contents. Based off Simon McKenzie's answer to this question , I'd suggest using a pair of methods like this:. Looks like Windows might just let you do this Unfortunately I don't think you're going to get around starting a separate process unless you go to a third party component. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Ask Question. Asked 12 years, 7 months ago. Active 2 years, 11 months ago. Viewed k times. I'm pretty sure this is not a duplicate so bear with me for just a minute. Improve this question. Cheeso k 96 96 gold badges silver badges bronze badges. Esteban Araya Esteban Araya If you have any other questions then please provide your comments in the following.

Next Recommended Reading. Net Core 6. Create A. Understanding Thread Starvation in. NET Core Applications. Exploring Numeric Streams In Java. ZIP for. There are two ways to delete files inside a ZIP archive using Aspose. One is using the index of the file while the other is using the ArchiveEntry class. Thus, to delete a file from ZIP, you can access and delete the relevant ArchiveEntry object from the collection. The following are the steps to delete a file from a ZIP archive in C.

You can also delete the ZIP entries using their index. You can use Aspose. NET without evaluation limitations by getting a free temporary license. In this article, you have learned how to delete files from ZIP archives in C. With the help of code samples, we have seen how to delete files using the ArchiveEntry class or the index. In case you want to learn more about Aspose.

The most common usage of archiving is reducing the size of the files for storage or transmission and applying encryption for security.

This article also targets similar scenarios and presents some easy ways of compressing files or folders and creating ZIP archives programmatically using C. ZIP for.

NET applications. In case you want to add multiple files into a ZIP archive, you can do it using one of the following ways. CreateEntry String, FileStream method. The following code sample shows how to add multiple files into a ZIP in C. CreateEntry String, FileInfo method. The following code sample shows how to ZIP files using their path. Just put the source files into a folder and add that folder to the ZIP archive. The following are the steps to ZIP a folder:.

For this, the ArchiveEntrySettings class is used in the constructor of the Archive that accepts the encryption type as the second parameter. You can use the following AES encryption methods:.