System.IO.Compression.GZipStream public class GZipStream : Stream Documentation public Stream BaseStream { get; } public GZipStream(Stream stream, CompressionLevel compressionLevel) public GZipStream(Stream stream, CompressionLevel compressionLevel, bool leaveOpen) public GZipStream(Stream stream, CompressionMode mode) public GZipStream(Stream stream, CompressionMode mode, bool leaveOpen)