@Jeff_M I have a question, When i get SectionPointCollection so on datagridview difference with section editor. See below image and view code. Thks
SectionPointCollection _sectionPoint = _section.SectionPoints;
foreach (SectionPoint _point in _sectionPoint)
{
SectionPoint _poi = _point as SectionPoint;
dgv_dltn.Rows.Add();
int index = dgv_dltn.RowCount - 1;
dgv_dltn.Rows[index].Cells[0].Value = (index + 1).ToString();
dgv_dltn.Rows[index].Cells[1].Value = _poi.Location.X.ToString();
dgv_dltn.Rows[index].Cells[2].Value = _poi.Location.Y.ToString();
}