public void ungzip(string path, string decomPath, bool overwrite)

        {

            //for overwriting purposes

            if (File.Exists(decomPath))

            {

                if (overwrite)

                {

                    File.Delete(decomPath);

                }

                else

                {

                    throw new IOException("The decompressed path you specified already exists and cannot be overwritten.");

                }

            }

            //create our file streams

            GZipStream stream = new GZipStream(new FileStream(path, FileMode.Open, FileAccess.ReadWrite), CompressionMode.Decompress);

            FileStream decompressedFile = new FileStream(decomPath, FileMode.OpenOrCreate, FileAccess.Write);

            //data represents a byte from the compressed file

            //it's set through each iteration of the while loop

            int data;

            while ((data = stream.ReadByte()) != -1) //iterates over the data of the compressed file and writes the decompressed data

            {

                decompressedFile.WriteByte((byte)data);

            }

            //close our file streams

            decompressedFile.Close();

            stream.Close();

        }