ABCpdf .NET PDF Component Documentation - Operations CloudVisionOperation StartOcr Function. Start OCR operation on the pages that have been added.

The text in this document is indivisible which means you can select and copy it, but it does not obscure the image in the background.

To run this code you will need to replace the Google API key with one of your own.

string theSrc = Server.MapPath("mypics/multipage.tif");
string theDst = Server.MapPath("CloudOCR.pdf");
using (Doc doc = new Doc()) {
  doc.Read(theSrc);

  var op = new CloudVisionOperation(doc);
  op.AddPages();
  op.ApiKey = "AIzAUlBcTPDwxUNn5uQvSHONpsTpAqVJHbfOa";
  op.StartOcr();
  op.WaitAll();
  doc.Save(theDst);
}

Dim theSrc As String = Server.MapPath("mypics/multipage.tif")
Dim theDst As String = Server.MapPath("CloudOCR.pdf")
Using doc As New Doc()
  doc.Read(theSrc)

  Dim op As New CloudVisionOperation(doc)
  op.AddPages()
  op.ApiKey = "AIzAUlBcTPDwxUNn5uQvSHONpsTpAqVJHbfOa"
  op.StartOcr()
  op.WaitAll()

  doc.Save(theDst)
End Using