C#

public class MsHtmlSharpParser {

  IHTMLDocument2 htmlDocument;
  public HtmlTreeNode htmlTree;

  public MsHtmlSharpParser() {
    htmlDocument = new HTMLDocumentClass();
  }
  public void LoadContent(string content) {
    htmlDocument.write(new object[] { content });
    htmlDocument.close();
    ((HTMLDocumentClass)htmlDocument).recalc(true);
    htmlTree = new HtmlTreeNode((IHTMLDOMNode)htmlDocument.body);
  }
}



public class HtmlTreeNode {
  public IHTMLDOMNode htmlDomNode;
  public List<htmltreenode> children;

  internal HtmlTreeNode(IHTMLDOMNode htmlElement) {
    this.htmlDomNode = htmlElement;
    children = new List<htmltreenode>();
    IHTMLDOMChildrenCollection collection = (IHTMLDOMChildrenCollection)htmlElement.childNodes;
    int i1, n1 = collection.length;
    for(i1=0;i1<n1;i1++)>
      children.Add(new HtmlTreeNode((IHTMLDOMNode)collection.item(i1)));
  }

  public void GetAbsolutePosition(out int x, out int y, out int width, out int height) {
    if (htmlDomNode is IHTMLElement) {
      x = 0;
      y = 0;
      x = ((IHTMLElement)htmlDomNode).offsetLeft;
      y = ((IHTMLElement)htmlDomNode).offsetTop;

      IHTMLElement offsetParent = ((IHTMLElement)htmlDomNode).offsetParent;
      IHTMLDOMNode parentNode = htmlDomNode.parentNode;

      while (offsetParent != null) {
        x += offsetParent.offsetLeft;
        y += offsetParent.offsetTop;
        parentNode = ((IHTMLDOMNode)offsetParent).parentNode;
        offsetParent = offsetParent.offsetParent;
      }
      width = ((IHTMLElement)htmlDomNode).offsetWidth;
      height = ((IHTMLElement)htmlDomNode).offsetHeight;
    } else
      x = y = width = height = -1;
  }
}</htmltreenode></htmltreenode>