using CsQuery;

public class MyClass{
  DOM = CQ.Create(/*HTML path*/);

  public CQ S(string selector){
    return DOM.Select(selector);
  }

  public CQ S(IDomObject o){
    return o.Cq();
  }

  void someFunction(){
    S("img.someClass").Attr("alt","hello");
    S("div").Each( (e) =>{
      S(e).Append("world!");
    });
  }
}