void pathFinder_PointAddedInOpenList(object sender, ListEventArgs args) { drawRect(args.parent, Color.LightGreen); }
void pathFinder_PopBestPointFromOpenList(object sender, ListEventArgs args) { drawRect(args.parent, Color.Black); }
void pathFinder_PointAddedInCloseList(object sender, ListEventArgs args) { drawRect(args.parent, Color.Black); }