public List <sLine> TosLines(Curve c, double maxLenTol)
{
List <sLine> lns = new List <sLine>();
PolylineCurve pc = c.ToPolyline(0, 0, 0.0, 0.0, 0.0, 0.0, 0.0, maxLenTol, true);
Curve [] segs = pc.DuplicateSegments();
for (int i = 0; i < segs.Length; ++i)
{
lns.Add(TosLine(new Line(segs[i].PointAtStart, segs[i].PointAtEnd)));
}
return(lns);
}