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This method trains FineReader Engine to recognize checkmarks of a custom type. As the result of training, the method fills in the training data (ICheckmarkBlock::TrainingData) for each checkmark block on the page. See details on how to use this method in Recognizing Checkmarks.

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Syntax

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C++

HRESULT LearnCheckmarks( IObjectsExtractionParams* ExtractionParams );

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C#

void LearnCheckmarks( IObjectsExtractionParams ExtractionParams );

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Visual Basic .NET

Sub LearnCheckmarks( ExtractionParams As IObjectsExtractionParams )

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Parameters

ExtractionParams [in] The ObjectsExtractionParams object that stores parameters of objects extraction. This parameter may be 0. In this case, the objects are extracted with default parameters, or, if a profile has been loaded, the parameters set by this profile are used.

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Return values

This method has no specific return values. It returns standard return codes of ABBYY FineReader Engine functions.

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See also

FRPage Recognizing Checkmarks Working with Profiles Tuning Analysis, Recognition, and Synthesis Parameters