APG.CodeHelper.CompressionHelper.CompressOrDecompressFile C# (CSharp) Метод

        private static void CompressOrDecompressFile(string fromFile, string toFile, System.IO.Compression.CompressionMode compressionMode)
        {
            System.IO.FileStream toFs = null;
            System.IO.Compression.GZipStream gzStream = null;
            System.IO.FileStream fromFs = new System.IO.FileStream(fromFile, System.IO.FileMode.Open, System.IO.FileAccess.Read);

            try
            {
                toFs = new System.IO.FileStream(toFile, System.IO.FileMode.Create, System.IO.FileAccess.Write);
                gzStream = new System.IO.Compression.GZipStream(toFs, compressionMode);
                byte[] buf = new byte[fromFs.Length];
                fromFs.Read(buf, 0, buf.Length);
                gzStream.Write(buf, 0, buf.Length);
            }
            finally
            {
                if (gzStream != null)
                    gzStream.Close();

                if (toFs != null)
                    toFs.Close();

                fromFs.Close();
            }
        }