AStarPathfinder.ExtractBestNodeFromOpenList C# (CSharp) Method

    private Node ExtractBestNodeFromOpenList()
    {
        float minF = float.MaxValue;
        Node bestOne = null;
        foreach (Node n in _openList)
        {
            if (n.MoveCost < minF)
            {
                minF = n.MoveCost;
                bestOne = n;
            }
        }
        if (bestOne != null)
            _openList.Remove(bestOne);
        return bestOne;
    }