GZipStream.Write(buffer, 0, buffer.Length) The GZipStream(Stream, CompressionLevel, Boolean) constructor Initializes a new instance of the Thank you post the issue to asp.net forum.īased on the code provided, I see you want to convert byte array to zip type file. using (FileStream originalFileStream = fileToCompress.OpenRead()) Specified stream and compression level, and optionally leaves the stream open. If ((File.GetAttributes(fileToCompress.FullName) & FileAttributes.Hidden) != FileAttributes.Hidden & fileToCompress.Extension != '.gz') Select the folder or file (s) that you want to compress. Right click on a selected file and hover over the 7-Zip options. Select Add to filename.zip or Add to filename.7z for quick compression. If you want to modify settings select Add to archive. Using (GZipStream compressionStream = new GZipStream(compressedFileStream, CompressionLevel.Fastest, true)) Using (FileStream compressedFileStream = File.Create(fileToCompress.FullName + '.gz')) If you selected the quick option the compression will begin. How to convert a file to a zip archive#.

7z to zip converter