System.IO.Compression.Inflater.Inflate C# (CSharp) Méthode

        private ZLibNative.ErrorCode Inflate(ZLibNative.FlushCode flushCode)
        {
            ZLibNative.ErrorCode errC;
            try
            {
                errC = _zlibStream.Inflate(flushCode);
            }
            catch (Exception cause) // could not load the Zlib DLL correctly
            {
                throw new ZLibException(SR.ZLibErrorDLLLoadError, cause);
            }
            switch (errC)
            {
                case ZLibNative.ErrorCode.Ok:           // progress has been made inflating
                case ZLibNative.ErrorCode.StreamEnd:    // The end of the input stream has been reached
                    return errC;

                case ZLibNative.ErrorCode.BufError:     // No room in the output buffer - inflate() can be called again with more space to continue
                    return errC;

                case ZLibNative.ErrorCode.MemError:     // Not enough memory to complete the operation
                    throw new ZLibException(SR.ZLibErrorNotEnoughMemory, "inflate_", (int)errC, _zlibStream.GetErrorMessage());

                case ZLibNative.ErrorCode.DataError:    // The input data was corrupted (input stream not conforming to the zlib format or incorrect check value)
                    throw new InvalidDataException(SR.UnsupportedCompression);

                case ZLibNative.ErrorCode.StreamError:  //the stream structure was inconsistent (for example if next_in or next_out was NULL),
                    throw new ZLibException(SR.ZLibErrorInconsistentStream, "inflate_", (int)errC, _zlibStream.GetErrorMessage());

                default:
                    throw new ZLibException(SR.ZLibErrorUnexpected, "inflate_", (int)errC, _zlibStream.GetErrorMessage());
            }
        }

        public override int ReadByte()
        {
            EnsureDecompressionMode();
            EnsureNotDisposed();

            // Try to read a single byte from zlib without allocating an array, pinning an array, etc.
            // If zlib doesn't have any data, fall back to the base stream implementation, which will do that.
            byte b;

            return(_inflater.Inflate(out b) ? b : base.ReadByte());
        }