public class Node
    {
        public delegate void ActionDelegate();

        private ActionDelegate[] Actions;
        private int num;

        public Node()
        {
            Actions = new ActionDelegate[10];
            num = 0;
        }

        public Void DoActions()
        {
            for (int i = 0; i < num; i++)
            {
                Actions[i]();
                Actions[i] = null;
            }
            num = 0;
        }

        public void Register(ActionDelegate action)
        {
            if (num == Actions.Length)
            {
                var new_actions = new ActionDelegate[Actions.Length + 10];
                for (int i = 0; i < Actions.Length; i++)
                    new_actions[i] = Actions[i];
                Actions = new_actions;
            }

            Actions[num] = action;
            num++;
        }

    }