CalDavSynchronizer.Conversions.Msft.HtmlParser.AddHtmlClipboardHeader C# (CSharp) Метод

        internal static string AddHtmlClipboardHeader(string htmlString)
        {
            StringBuilder stringBuilder = new StringBuilder();

            // each of 6 numbers is represented by "{0:D10}" in the format string
            // must actually occupy 10 digit positions ("0123456789")
            int startHTML = HtmlHeader.Length + 6 * ("0123456789".Length - "{0:D10}".Length);
            int endHTML = startHTML + htmlString.Length;
            int startFragment = htmlString.IndexOf(HtmlStartFragmentComment, 0);
            if (startFragment >= 0)
            {
                startFragment = startHTML + startFragment + HtmlStartFragmentComment.Length;
            }
            else
            {
                startFragment = startHTML;
            }
            int endFragment = htmlString.IndexOf(HtmlEndFragmentComment, 0);
            if (endFragment >= 0)
            {
                endFragment = startHTML + endFragment;
            }
            else
            {
                endFragment = endHTML;
            }

            // Create HTML clipboard header string
            stringBuilder.AppendFormat(HtmlHeader, startHTML, endHTML, startFragment, endFragment, startFragment, endFragment);

            // Append HTML body.
            stringBuilder.Append(htmlString);

            return stringBuilder.ToString();
        }