public static void SetHtmlFontStretch(this HtmlElement element, System.Windows.FontStretch fontStretch, HtmlValueConverter converter)
{
if (fontStretch == System.Windows.FontStretch.Normal)
{
element.ClearHtmlStyleProperty("font-stretch");
}
else
{
element.SetHtmlStyleProperty("font-stretch", converter.ToFontStretchString(fontStretch));
}
}