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FREngineVersionEnum enumeration constants are used to denote previously supported versions of ABBYY FineReader Engine. 
typedef enum {
 FREV_10,
 FREV_11
} FREngineVersionEnum;

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Elements

NameDescription
FREV\_10The major supported version of ABBYY FineReader Engine is 10.
FREV\_11The major supported version of ABBYY FineReader Engine is 11.

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Used in

FRDocument::ConvertFromOldVersion