AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.3.5" />

 HTMLFormControlsCollection

A collection of HTML form controls.
using AngleSharp.DOM.Html; using System.Collections.Generic; namespace AngleSharp.DOM.Collections { [DOM("HTMLFormControlsCollection")] public sealed class HTMLFormControlsCollection : HTMLCollection { private HTMLLiveCollection<HTMLFormControlElement> _elements; internal HTMLFormControlsCollection(HTMLLiveCollection<HTMLFormControlElement> elements) { _elements = elements; } internal HTMLFormControlsCollection(Element parent) { _elements = new HTMLLiveCollection<HTMLFormControlElement>(parent, true); } public override IEnumerator<Element> GetEnumerator() { return _elements.GetEnumerator(); } protected override Element GetItem(int index) { return _elements[index]; } protected override int GetLength() { return _elements.Length; } protected override object GetItem(string name) { List<Element> list = new List<Element>(); for (int i = 0; i < _elements.Length; i++) { if (_elements[i].Id == name || _elements[i].GetAttribute("name") == name) list.Add(_elements[i]); } if (list.Count == 0) return null; if (list.Count == 1) return list[0]; return new HTMLStaticCollection(list); } internal override int IndexOf(Element element) { return _elements.IndexOf(element); } } }