/// <summary> /// Adds the specified <see cref="WeakReference{T}"/> to this collection. /// The <see cref="WeakReference{T}"/> itself is stored using a strong reference. /// </summary> /// <param name="weakRef">The <see cref="WeakReference{T}"/> to add.</param> public void Add(WeakReference <T> weakRef) { if (weakRef.NullReference()) { throw Exc.Null(nameof(weakRef)); } //// NOTE: we are not checking whether the weak reference is still alive, //// since the assumption is that it was recently created (e.g. by one of our other members). this.list.Add(weakRef); }