/// <summary>Finds any focusable element before / after this one.</summary>
public bool SearchFocusable(bool after, int search, ref int bestSoFar, ref HtmlElement best)
{
// Current parent:
HtmlElement parent = parentNode as HtmlElement;
HtmlElement currentRelative = this;
// Go down the parent chain:
while (parent != null)
{
if (parent.SearchRelativeFocusable(currentRelative, after, search, ref bestSoFar, ref best))
{
// Found an ideal match - stop.
return(true);
}
currentRelative = parent;
// Next parent:
parent = parent.parentNode_ as HtmlElement;
}
return(false);
}