XHtmlProcessOptions StartPool Function. Start the process pool for the HTML Engine. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page StartPool Method Start the process pool for the HTML Engine. Syntax [C#] bool StartPool() [Visual Basic] Function StartPool() As Boolean Params Name Description return Whether the process pool is started anew. Notes This starts the process pool for the HTML Engine (without rendering an HTML page). This method returns false if the process pool has been started before the method is called. Example None. previous page start next page