MyNodes.Nodes.NodesEngine.ShowNodeActivity C# (CSharp) Метод

        public void ShowNodeActivity(Node node)
        {
            if (activityList.Contains(node))
                return;

            activityList.Add(node);
            OnNodeActivity?.Invoke(node);
        }

 public void ShowActivity()
 {
     engine.ShowNodeActivity(this);
 }