void CheckCurrentLineChanged()
{
long currentLine = (long)Math.Floor(_bytePos / (double)_iHexMaxHBytes) + 1;
if (_byteProvider == null && _currentLine != 0)
{
_currentLine = 0;
OnCurrentLineChanged(EventArgs.Empty);
}
else if (currentLine != _currentLine)
{
_currentLine = currentLine;
OnCurrentLineChanged(EventArgs.Empty);
}
}