/// <summary>
/// Determines whether an element is excluded from a form data set.
/// </summary>
/// <param name="form"></param>
/// <param name="e"></param>
/// <param name="submitter"></param>
/// <returns></returns>
private static bool IsExcludedFromDataSet(IHTMLFormElement form, IDomElement e, IDomElement submitter)
{
var submittable = e as IFormSubmittableElement;
if (submittable == null || submittable.Form != form)
{
return true;
}
return (e.GetAncestors().Any(a => a.NodeName == "DATALIST")) ||
(e.Disabled) ||
(IsButton(e) && e != submitter) ||
(e is IHTMLInputElement && e.Type == "checkbox" && !e.Checked) ||
(e is IHTMLInputElement && e.Type == "radio" && !e.Checked) ||
(e.Name.IsNullOrEmpty() && !(e is IHTMLInputElement && e.Type == "image")) ||
(e.NodeName == "OBJECT");
}