internal SvgPathSeg GetNextSegment(SvgPathSeg seg)
{
int index = segments.IndexOf(seg);
if(index == -1)
{
throw new Exception("Path segment not part of this list");
}
else if(index == segments.Count-1)
{
return null;
}
else
{
return (SvgPathSeg)this[index + 1];
}
}