System.Text.Encoding.EncodingByteBuffer.EncodingByteBuffer C# (CSharp) Method

            internal unsafe EncodingByteBuffer(Encoding inEncoding, EncoderNLS inEncoder,
                        byte* inByteStart, int inByteCount, char* inCharStart, int inCharCount)
            {
                this.enc = inEncoding;
                this.encoder = inEncoder;

                this.charStart = inCharStart;
                this.chars = inCharStart;
                this.charEnd = inCharStart + inCharCount;

                this.bytes = inByteStart;
                this.byteStart = inByteStart;
                this.byteEnd = inByteStart + inByteCount;

                if (this.encoder == null)
                    this.fallbackBuffer = enc.EncoderFallback.CreateFallbackBuffer();
                else
                {
                    this.fallbackBuffer = this.encoder.FallbackBuffer;
                    // If we're not converting we must not have data in our fallback buffer
                    if (encoder.m_throwOnOverflow && encoder.InternalHasFallbackBuffer &&
                        this.fallbackBuffer.Remaining > 0)
                        throw new ArgumentException(Environment.GetResourceString("Argument_EncoderFallbackNotEmpty",
                            encoder.Encoding.EncodingName, encoder.Fallback.GetType()));
                }
                fallbackBuffer.InternalInitialize(chars, charEnd, encoder, bytes != null);
            }