OCR SDK Knowledge Base


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Backward Compatibility

My application was written using FREngine of an older version than I want to use. How to port my application to the newest version of FREngine?

Read-only properties in raw C++

How can I edit read-only object properties in raw C++?

Recognizing CMC-7

How can I recognize the MICR CMC-7 barcode font?

Temporary files

When they should be deleted? And where they are located?  

OpenImage method does not open an image file

Why does the OpenImage method not open an image file?

Standard Return Codes

It is a list of the standard return codes of ABBYY FineReader Engine functions and properties.

How to open one page of a multi-page file?

How to open one page of a multi-page file?

[FREngine 10] Read-Only Properties List

Some  get_ properties in FREngine API return readonly objects. If a modification method is called for such object the error ERR_ACCESS_TO_CONST_OBJECT_DENIED is returned. Sometimes such properties allow modification using put_ property. To modify such a propertey one needs to create an new empty object, copy all values from existing object wit...

Message “Attempted to read or write protected memory”

Why does the “System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.” error message appear?

Using ABBYY FineReader Engine in Multi-Threading Server Applications

Tools were included into the API which enable you to get thread-safe FineReader Engine objects as part of a server process or in separate processes. Using FineReader Engine in multiple processes allows you to create a pool of objects that work simultaneously and use the full CPU power o...

found 24 documents

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