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The grade points corresponding to a correct answer for an OmrField object.
[DataMemberAttribute()]
public double CorrectGrade { get; set; }
Integer value that represents the score for correct answer for an OmrField. The default value is 1.
If the OmrField is gradable, this value will be used to grade the internal OmrCollections. In case the user needs to set different scores for different questions in the OmrField object, the value can be set individually for every OmrCollection.