System.IO.FileSystemWatcher.RunningInstance.ReadName C# (CSharp) Méthode

            private string ReadName(int position, int nameLength)
            {
                Debug.Assert(position > 0);
                Debug.Assert(nameLength >= 0 && (position + nameLength) <= _buffer.Length);

                int lengthWithoutNullTerm = nameLength;
                for (int i = 0; i < nameLength; i++)
                {
                    if (_buffer[position + i] == '\0')
                    {
                        lengthWithoutNullTerm = i;
                        break;
                    }
                }
                Debug.Assert(lengthWithoutNullTerm <= nameLength); // should be null terminated or empty

                return lengthWithoutNullTerm > 0 ?
                    Encoding.UTF8.GetString(_buffer, position, lengthWithoutNullTerm) :
                    string.Empty;
            }