public override void OnDraw(GeometryBuilder dc)
{
dc.Clear();
dc.Color = McDbEntity.ByObject;
_blockRef[0].DbEntity.Erase();
_blockRef[1].DbEntity.Erase();
_blockRef[0].InsertPoint = _pnt1;
_blockRef[0].DbEntity.AddToCurrentDocument();
double inbetween = Math.Round(_pnt1.DistanceTo(_pnt2) / (Count + 1), 4);
for (int i = 1; i <= Count; i++)
{
double distance = inbetween * i;
_blockRef[i + 1].DbEntity.Erase();
_blockRef[i + 1].InsertPoint = new Point3d(_pnt1.X + distance, _pnt1.Y, 0).Rotate(_pnt1, _pnt1.AngleTo(_pnt2));
_blockRef[i + 1].DbEntity.AddToCurrentDocument();
}
_blockRef[1].InsertPoint = _pnt2;
_blockRef[1].DbEntity.AddToCurrentDocument();
dc.Color = System.Drawing.Color.Cyan;
dc.DrawLeader(_pnt2, _pnt1, Arrows.Arrow, 5);
}