File compression using .net

Compression Assembly: System. Provides static methods for creating, extracting, and opening zip archives. Note To use the ZipFile class in a. In this article. CreateFromDirectory String, String. Creates a zip archive that contains the files and directories from the specified directory. ExtractToDirectory String, String. Extracts all the files in the specified zip archive to a directory on the file system. This browser is no longer supported.

Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? Namespace: System. Compression Assembly: System. In this article. Gets a value indicating whether the stream supports reading while decompressing a file. Gets a value that determines whether the current stream can time out.

Inherited from Stream. CopyTo Stream. Reads the bytes from the current stream and writes them to another stream. CopyTo Stream, Int CopyToAsync Stream. Asynchronously reads the bytes from the current stream and writes them to another stream.

CopyToAsync Stream, Int CreateObjRef Type. Inherited from MarshalByRefObject. Dispose Boolean. EndRead IAsyncResult. EndWrite IAsyncResult. Equals Object. Determines whether the specified object is equal to the current object. Inherited from Object. FlushAsync CancellationToken. Serves as the default hash function. This is known as a path traversal attack.

The following example demonstrates how to check for malicious file paths and provides a safe way to unzip. The following example uses the ZipArchive class to access an existing.

The new file gets compressed when you add it to the existing zip. They use the same compression algorithm. You can decompress GZipStream objects that are written to a. The following example shows how to compress and decompress a directory of files by using the GZipStream class:.

Skip to main content. Compression namespace even after adding the dll reference. I see it's documented, but VS doesn't seem to be able to find it "The name 'ZipArchiveMode' does not exist in the current context"? AIng make sure you add references to System. The simplest way to get this working is to use a temporary folder.

AlexanderBrevig AlexanderBrevig 1, 12 12 silver badges 17 17 bronze badges. Thanks for the suggestion. For anyone curious, I'm using this to add to an application which moves Lotus Notes attachments into MSWord files as embedded objects, but two of the ancient file types aren't natively supported, hence the zip solution.

More like: do zip then unzip GG — Yousha Aleayoub. GetAttributes fi. Create fi. CopyTo Compress ; Console. Name, fi. ToString , outFile. Jeetendra Negi Jeetendra Negi 3 3 silver badges 3 3 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back