public void APourOrigine(Point origine)
{
Origine = origine;
DistParcourue = Origine.DistParcourue + DistPA[PA.IndexOf(Origine)];
RetirerPoint(Origine);
EstCulDeSac();
}
public void RetirerPoint(Point pt)
{
int index = PA.IndexOf(pt);
PA.Remove(pt);
DistPA.RemoveAt(index);
}