public async Task<string> Extract(StorageFile file, int pageNumber)
{
var doc = new PdfLoadedDocument();
await doc.OpenAsync(file);
var page = doc.Pages[pageNumber];
var extractedText = page.ExtractText();
return extractedText;
}
public async Task <string> Extract(StorageFile file, int pageNumber)
{
var doc = new PdfLoadedDocument();
await doc.OpenAsync(file);
var page = doc.Pages[pageNumber];
var extractedText = page.ExtractText();
return(extractedText);
}
public async Task<string> Extract(StorageFile file, int startPageNumber, int endPageNumber)
{
var doc = new PdfLoadedDocument();
await doc.OpenAsync(file);
var sb = new StringBuilder();
for (var i = startPageNumber; i <= endPageNumber; i++)
{
var page = doc.Pages[i];
sb.Append(page.ExtractText());
}
return sb.ToString();
}
public async Task <string> Extract(StorageFile file, int startPageNumber, int endPageNumber)
{
var doc = new PdfLoadedDocument();
await doc.OpenAsync(file);
var sb = new StringBuilder();
for (var i = startPageNumber; i <= endPageNumber; i++)
{
var page = doc.Pages[i];
sb.Append(page.ExtractText());
}
return(sb.ToString());
}
public static async void SaveChangesFile(string text)
{
PdfLoadedDocument loadedDocument = new PdfLoadedDocument();
await loadedDocument.OpenAsync(openFile).ConfigureAwait(true);
loadedDocument.Pages.RemoveAt(0);
Syncfusion.Pdf.PdfPage page = (Syncfusion.Pdf.PdfPage)loadedDocument.Pages.Add();
PdfGraphics graphics = page.Graphics;
Syncfusion.Pdf.Graphics.PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 20);
graphics.DrawString(text, font, PdfBrushes.Black, new PointF(0, 0));
await loadedDocument.Save().ConfigureAwait(true);
loadedDocument.Dispose();
}
public static async Task <string> Read(StorageFile openFile)
{
SaveFilePdf.openFile = openFile;
string extractedText = "";
if (openFile != null)
{
PdfLoadedDocument loadedDocument = new PdfLoadedDocument();
await loadedDocument.OpenAsync(openFile).ConfigureAwait(true);
PdfPageBase page = loadedDocument.Pages[0];
extractedText = page.ExtractText();
loadedDocument.Close(true);
loadedDocument.Dispose();
var mru = Windows.Storage.AccessCache.StorageApplicationPermissions.MostRecentlyUsedList;
string mruToken = mru.Add(openFile, "Pdf file");
}
return(extractedText);
}