void LoadWwwForm()
        {
            var key   = StringBuilderCache.Allocate();
            var value = StringBuilderCacheAlt.Allocate();

            try
            {
                using (Stream input = GetSubStream(InputStream))
                    using (StreamReader s = new StreamReader(input, ContentEncoding))
                    {
                        int c;

                        while ((c = s.Read()) != -1)
                        {
                            if (c == '=')
                            {
                                value.Length = 0;
                                while ((c = s.Read()) != -1)
                                {
                                    if (c == '&')
                                    {
                                        AddRawKeyValue(key, value);
                                        break;
                                    }
                                    else
                                    {
                                        value.Append((char)c);
                                    }
                                }

                                if (c == -1)
                                {
                                    AddRawKeyValue(key, value);
                                    return;
                                }
                            }
                            else if (c == '&')
                            {
                                AddRawKeyValue(key, value);
                            }
                            else
                            {
                                key.Append((char)c);
                            }
                        }

                        if (c == -1)
                        {
                            AddRawKeyValue(key, value);
                        }

                        EndSubStream(input);
                    }
            }
            finally
            {
                StringBuilderCache.Free(key);
                StringBuilderCacheAlt.Free(value);
            }
        }