/// <summary>
/// Merges attributes of <see cref="HtmlAttributes"/> and <see cref="LinkHtmlAttributes"/> into one combined dictionary.
/// </summary>
/// <returns>New dictionary instance with combined attributes.</returns>
public AttributeDictionary GetCombinedAttributes()
{
if (HtmlAttributes == null && LinkHtmlAttributes == null)
{
return(null);
}
var combined = new AttributeDictionary();
combined.AddRange(HtmlAttributes ?? LinkHtmlAttributes);
if (HtmlAttributes != null && LinkHtmlAttributes != null)
{
combined.Merge(LinkHtmlAttributes);
}
return(combined);
}