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#1 Posted : Friday, August 4, 2017 11:44:03 AM(UTC)

Walter  
Walter

Groups: Tech Support, Administrators
Posts: 319

Was thanked: 3 time(s) in 3 post(s)

If you are creating an application to convert non-searchable PDF files into searchable PDF files using an OCR, you may want to ensure you do not process files that are already searchable.

You may also want to handle cases where the file is corrupted, encrypted, or may not be a PDF file at all (may have the extension PDF, but the file is a TIFF for example).

The attached C# .NET sample shows you how you would check for each of these cases and outputs the results in a ListView for a directory of files.

This is an updated Visual Studio 2017 project using LEADTOOLS 19. The original project can be found here:
https://www.leadtools.com/support/forum/posts/t9700-How-to-determine-if-a-PDF-is-searchable

To run this project without modification, please extract it into the following directory:
C:\LEADTOOLS 19\Examples\posts\t9700
File Attachment(s):
DeterminePDFSearchable_19.zip (12kb) downloaded 192 time(s).

Edited by user Friday, August 11, 2017 9:25:03 AM(UTC)  | Reason: Not specified

Walter Bates
Senior Support Engineer
LEAD Technologies, Inc.
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