System.Text.EncoderNLS.GetBytes C# (CSharp) Method

        public unsafe override int GetBytes(char* chars, int charCount, byte* bytes, int byteCount, bool flush)
        {
            // Validate parameters
            if (chars == null || bytes == null)
                throw new ArgumentNullException((chars == null ? nameof(chars): nameof(bytes)), SR.ArgumentNull_Array);

            if (byteCount < 0 || charCount < 0)
                throw new ArgumentOutOfRangeException((byteCount < 0 ? nameof(byteCount): nameof(charCount)), SR.ArgumentOutOfRange_NeedNonNegNum);
            Contract.EndContractBlock();

            m_mustFlush = flush;
            m_throwOnOverflow = true;
            return m_encoding.GetBytes(chars, charCount, bytes, byteCount, this);
        }