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ThreeStatePropertyValueEnum enumeration constants are used to set the value of different properties which can have one of three states: always use a specific setting or processing mode (Yes), never use it (No) or leave the selection to FineReader Engine (Auto). 
typedef enum {
 TSPV_Yes,
 TSPV_No,
 TSPV_Auto
} ThreeStatePropertyValueEnum;

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Elements

NameDescription
TSPV\_AutoABBYY FineReader Engine will automatically determine if this processing mode should be used, depending on the situation (image characteristics etc.). The automatic mode is based on settings that were found to be best in most common cases, and is subject to change without notice in future.
TSPV\_NoThe processing mode in question will not be used.
TSPV\_YesThe processing mode in question will be used.

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Used in

IPagePreprocessingParams::CorrectGeometry IPagePreprocessingParams::CorrectSkew IPagePreprocessingParams::CropImage IPDFExportFeatures::WriteTaggedPDF IPDFExportFeatures::WriteXmpMetadata IPDFMRCParams::ProcessPicturesAsBackground IPDFPictureCompressionParams::EnableInterpolationMode IPrepareImageMode::CompressImage IRecognizerParams::LanguageDetectionMode IRTFExportParams::KeepPageBreaks ISynthesisParamsForPage::AllowGrayBackgroundColor ISynthesisParamsForPage::AllowGrayTextColor ISynthesisParamsForPage::CorrectDynamicRange ISynthesisParamsForPage::DetectBackgroundColor ISynthesisParamsForPage::DetectTextColor