System.Text.DecoderFallback.CreateFallbackBuffer C# (CSharp) Method

        public abstract DecoderFallbackBuffer CreateFallbackBuffer();

        int GetChars(byte[] bytes, int byteIndex, int byteCount,
                     char[] chars, int charIndex,
                     ref DecoderFallbackBuffer buffer)
        {
#endif
            if (bytes == null)
            {
                throw new ArgumentNullException("bytes");
            }
            if (chars == null)
            {
                throw new ArgumentNullException("chars");
            }
            if (byteIndex < 0 || byteIndex > bytes.Length)
            {
                throw new ArgumentOutOfRangeException("byteIndex", _("ArgRange_Array"));
            }
            if (byteCount < 0 || byteCount > (bytes.Length - byteIndex))
            {
                throw new ArgumentOutOfRangeException("byteCount", _("ArgRange_Array"));
            }
            if (charIndex < 0 || charIndex > chars.Length)
            {
                throw new ArgumentOutOfRangeException("charIndex", _("ArgRange_Array"));
            }

            if ((chars.Length - charIndex) < byteCount)
            {
                throw new ArgumentException(_("Arg_InsufficientSpace"));
            }

            int count = byteCount;
            while (count-- > 0)
            {
                char c = (char)bytes [byteIndex++];
                if (c < '\x80')
                {
                    chars [charIndex++] = c;
                }
                else
                {
#if NET_2_0
                    if (buffer == null)
                    {
                        buffer = DecoderFallback.CreateFallbackBuffer();
                    }
                    buffer.Fallback(bytes, byteIndex);
                    while (buffer.Remaining > 0)
                    {
                        chars [charIndex++] = buffer.GetNextChar();
                    }
#else
                    chars [charIndex++] = '?';
#endif
                }
            }
            return(byteCount);
        }