static void GetWholePageText()
        {
            CSPdfExtractor extractor = new CSPdfExtractor();

            extractor.LoadPdfFile("f://test1.pdf");

            string text = extractor.ConvertToText();

            Console.WriteLine(text);
            Console.ReadKey();
        }
        static void GetEachPageText()
        {
            CSPdfExtractor extractor = new CSPdfExtractor();

            extractor.LoadPdfFile("f://test1.pdf");

            int count = extractor.FilePageCount;

            for (int i = 0; i < count; i++)
            {
                String text = extractor.ConvertToText(i);
                Console.WriteLine(text);
            }
            Console.ReadKey();
        }