Protogame.FlowContainer.AddChild C# (CSharp) Méthode

        public void AddChild(IContainer child, string size)
        {
            if (child == null)
            {
                throw new ArgumentNullException(nameof(child));
            }

            if (child.Parent != null)
            {
                throw new InvalidOperationException();
            }

            _children.Add(child);
            _sizes.Add(size);
            child.Parent = this;
        }