LastOCRError

OCR, error handling

Description

Returns the detailed reason for the last OCR parsing, provider, rendering, or text-layer failure

Syntax

Delphi

Function TPDFlib.LastOCRError: WideString;

ActiveX

Function PDFlib::LastOCRError() As String

DLL

const wchar_t* DLLastOCRError(int InstanceID);
const char* DLLastOCRErrorA(int InstanceID);

Remarks

A successful OCR operation clears the previous value

Use LastErrorCode for the stable numeric category and this function for diagnostics intended for logs or users

See also

ApplyOCRTextLayer, OCRPage, OCRDocument