void LoadDocument()
{
MemoryStream memory = new MemoryStream(convertDocToByteArray(@"D:\Code Project\Subrip\Document\HSK Book.pdf"));
BinaryReader BRreader = new BinaryReader(memory);
StringBuilder text = new StringBuilder();
iText.Kernel.Pdf.PdfReader iTextReader = new iText.Kernel.Pdf.PdfReader(memory);
iText.Kernel.Pdf.PdfDocument pdfDoc = new iText.Kernel.Pdf.PdfDocument(iTextReader);
int numberofpages = pdfDoc.GetNumberOfPages();
List <Tuple <int, string> > Contents = new List <Tuple <int, string> >();
for (int page = 1; page <= numberofpages; page++)
{
iText.Kernel.Pdf.Canvas.Parser.Listener.ITextExtractionStrategy strategy = new iText.Kernel.Pdf.Canvas.Parser.Listener.LocationTextExtractionStrategy();
string currentText = iText.Kernel.Pdf.Canvas.Parser.PdfTextExtractor.GetTextFromPage(pdfDoc.GetPage(page), strategy);
currentText = Encoding.UTF8.GetString(UTF8Encoding.Convert(
Encoding.UTF8, Encoding.UTF8, Encoding.UTF8.GetBytes(currentText)));
text.Append(currentText);
Tuple <int, string> tuple = new Tuple <int, string>(page, currentText);
Contents.Add(tuple);
}
document = Contents;
}