Dot. Net. Zip Library Home. Dot. Net. Zip is a FAST, FREE class library and toolset for manipulating zip files. Use VB, C or any. NET language to easily create, extract, or update zip files. Dot Net Tricks provides Classroom and Instructorled online training for web and software development on different Technologies, C. NET, ASP. NET MVC, Node. Dot. Net. Zip is the best open source ZIP library for. NET. Just look at. Dot. Net. Zip works on PCs with the full. NET Framework, and also runs on mobile devices that use the. NET Compact Framework. Create and read zip files in VB, C, or any. NET language, or any scripting environment. DotNetZip is a FAST, FREE class library and toolset for manipulating zip files. Use VB, C or any. NET language to easily create, extract, or update zip files. Dot. Net. Zip supports these scenarios a Silverlight app that dynamically creates zip files. ASP. NET app that dynamically creates ZIP files and allows a browser to download them a Windows Service that periodically zips up a directory for backup and archival purposes a WPF program that modifies existing archives renaming entries, removing entries from an archive, or adding new entries to an archive a Windows Forms app that creates AES encrypted zip archives for privacy of archived content. SSIS script that unzips or zips An administrative script in Power. Shell or VBScript that performs backup and archival. WCF service that receives a zip file as an attachment, and dynamically unpacks the zip to a stream for analysis an old school ASP VBScript application that produces a ZIP file via the COM interface for Dot. Net. ZIp a Windows Forms app that reads or updates ODS files creating zip files from stream content, saving to a stream, extracting to a stream, reading from a stream creation of self extracting archives. If all you want is a better Deflate. Stream or GZip. Stream class to replace the one that is built into the. This page contains a list of examples that is compatible with Visual Basic. NET 20022003 and Visual Basic 20052008. The code for some of the examples could be. NET BCL, Dot. Net. Zip has that, too. Dot. Net. Zips Deflate. KB/aspnet/ASPNetMVCTutorial/RunApplicationList.jpg' alt='Download Free Dotnet Examples Programs' title='Download Free Dotnet Examples Programs' />Stream and GZip. Stream are available in a standalone assembly, based on a. NET port of Zlib. These. streams support compression levels and deliver much better performance than the built in classes. There is also a Zlib. Stream to complete the set RFC 1. Handlers/DownloadFile.ashx?File=8830500e-3902-491f-8d36-95977f4920b9.png' alt='Download Free Dotnet Examples Programs' title='Download Free Dotnet Examples Programs' />And the price for all this totally FREE. Example Usage. Heres some C code that creates a zip file. Zip. File zip new Zip. File. add this map file into the images directory in the zip archive. Add. Filec imagespersonal7. N4. 9th. png, images. Add. Filec Reports2. Regional Sales Report. Add. FileRead. Me. SaveMy. Zip. File. Here is some VB code that unpacks a zip file extracts all the entries. Dim Zip. To. Unpack As String C1. P3. SML. Dim Target. Dir As String C1. P3. SML. Console. Write. LineExtracting file 0 to 1, Zip. To. Unpack, Target. Dir. Using 1 As Zip. File Zip. File. ReadZip. To. Unpack. Add. Handler Extract. Progress, Address. Of My. Extract. Progress. Dim e As Zip. Entry. For Each e In ExtractTarget. Dir, Extract. Existing. File. Action. Overwrite. Silently. More Information. Dot. Net. Zip is a 1. NET application Console, Winforms, WPF, ASP. NET, Sharepoint, Web services apps, and so on. New for v. 1. 9. 1. Silverlight. It can also be used from scripting environments or COM capable environments. Powershell scripts, VBScript, VBA, VB6, PHP, Perl, Javascript, and more. Whatever environment it is used from, Dot. Net. Zip produces zip files that are fully interoperable with Windows Explorer, as well as Java applications, apps running on Linux. It is designed to be simple and easy to use. Dot. Net. Zip is packaged as a single DLL, about 4. It has no third party dependencies. It is Medium Trust, so can be used on most hosters. Get zipping just by referencing the DLL. The library supports Unicode, ZIP6. AES encryption, multiple compression levels, self extracting archives, spanned archives, and more. Click this link for information on. Getting Started with Dot. Net. Zip in Visual Studio. The release includes the library, as well as some sample applications with source showing how to use the library. This is a look at the Win. Forms sample app that creates and zip files. It serves as my free replacement for the 2. Win. Zip tool If you find Dot. Net. Zip useful, consider donating. I am. accepting donations. Background and Details. Frequently Asked Questions. How does this Zip Library work Dot. Net. Zip is packaged as a single DLL, a single assembly. It is fully managed code, written in C, and provides support for reading and writing Zip archive files and streams. The main type is Zip. File, featuring methods like Add, Extract and Save. There. are string and int indexers for the entries of the Zip. File. There are properties for things like password protection, unicode and codepage support, and ZIP6. And there are progress events for Reading, Saving, and Extracting. What do I need, in order to be able to create and read zip files from within my application using this library To use the zip capability in your applications, you need to be using the. NET Framework 2. 0 or later, and you need the Dot. Net. Zip Devkit assembly. You do not need to download the sourcecode of Dot. Net. Zip in order to use it. You can simply download the binary. You can use the Zip library from any application, whether a console application, a Windows Forms application, a server based application like an ASP. NET page, a smart device app, a Windows Service, a Silverlight app, or something else. You can use C, VB. NET. COBOL. NET, Iron. Python, Iron. Ruby, F, or any other. NET language. You can also use COM environments, like ASP pages, Javascript, PHP, and others. To build your application, you can use the full version of Visual Studio, or one of the Visual Studio Express tools. What if I just want to use the graphical tool No problem. Just download the Utils zip or MSI from the latest releases tab, and you will get an easy to use fully functional ZIP creation and extraction tool, a free functional equivalent replacement for Win. Zip. It supports all the Dot. Net. Zip capability, like. SFX, AES, ZIP6. 4, arbitrary Code Pages, Unicode, zip comments, file and entry selection, spanned or segmented zips, and more. What do I need to build this library from the sourceYou need the. NET Framework SDK v. Visual Studio 2. 00. While the library is usable by. NET 2. 0 and later, to build it you need. NET 3. 5 or later. This is because the source code uses features that were introduced in the C v. The. NET 3. 5 SDK is available. I dont know if the library will build in Visual C Express 2. I never tried it. It should. Is this thing supported on MonoLinux Its not supported at all. But, it apparently works on MonoUbuntu. I dont test it that way. If youd like to volunteer, let me know. How big is the library As of version 1. Ionic zip DLL is about 4. The capability to produce self extracting archives is optional, and amounts to about 2. Reduced build of the library in the Devkit download, for those who are counting. The Compact Framework version of the library is about 1. There is just one DLL. There is no other pre requisite. Why would you want to produce yet another Zip Library There are a number of options in the. NET world for manipulating zip files. Some are commercial libraries, some are open source. You can even shoe horn the System. IO. Packaging API, which is included in. Mugen Ronin Warriors Ryo more. NET 3. 0, into a zip library. But there are tradeoffs for. Some people are willing to give up commercial support for a lower price. Some people dont like the GPL. Some of those other packages are complex to use for zip files. Some of them dont have enough features Eg, AES encryption, ZIP6. Some are too slow. What I found is that most people want something simple and easy to use, that works well, has good features, compresses effectively and fast, and is the right price. Dot. Net. Zip is that option. Its fast, its simple. Does this library make self extracting zip filesYes. It can make self extracting zip files or standard zip files. The self extracting archives can either be Windows GUI apps or command line applications. The self extractors require. NET 2. 0 on the computer doing the extraction.