Rhythm.Staticize.ValidationDelegateTaken.Validate C# (CSharp) Method

        public string Validate(HtmlAgilityPack.HtmlDocument document, HtmlStaticizeContext status)
        {
            if (document == null)
            {
                throw new ArgumentNullException("document");
            }
            return documentValidation.Invoke(document) ? null : errorMessage;
        }