OMRDetectMarks Method (GdPictureImaging)

In This Topic

Returns whether a selected OMR (Optical Mark Recognition) field/s is filled or not. This method is mainly used for Square and Perfectly Circular Fields. An OMR field can be a checkbox, a fill-in-area checkbox, areas on a multiple choice examination form, or any area where highlighting is required to indicate a certain choice.

Overload List

Overload	Description
OMRDetectMarks(Int32,GdPictureRectangle[],Int32)	Returns whether a selected OMR (Optical Mark Recognition) field/s is filled or not. This method is mainly used for Square and Perfectly Circular Fields. An OMR field can be a checkbox, a fill-in-area checkbox, areas on a multiple choice examination form, or any area where highlighting is required to indicate a certain choice.
OMRDetectMarks(Int32,GdPictureRectangle[],Int32,Boolean)	Returns whether a selected OMR (Optical Mark Recognition) field/s is filled or not. This method is mainly used for Square and Perfectly Circular Fields. An OMR field can be a checkbox, a fill-in-area checkbox, areas on a multiple choice examination form, or any area where highlighting is required to indicate a certain choice.
OMRDetectMarks(Int32,GdPictureRectangle[],Int32,Double,Int32[])	Returns whether a selected OMR (Optical Mark Recognition) field/s is filled or not, with Sensitivity Control and Confidence Level returned. This method is mainly used for Square and Perfectly Circular Fields. An OMR field can be a checkbox, a fill-in-area checkbox, areas on a multiple choice examination form, or any area where highlighting is required to indicate a certain choice.
OMRDetectMarks(Int32,GdPictureRectangle[],Int32,Double,Int32[],Boolean)	Returns whether a selected OMR (Optical Mark Recognition) field/s is filled or not, with Sensitivity Control and Confidence Level returned. This method is mainly used for Square and Perfectly Circular Fields. An OMR field can be a checkbox, a fill-in-area checkbox, areas on a multiple choice examination form, or any area where highlighting is required to indicate a certain choice.
OMRDetectMarks(Int32,Int32[],Int32,Double,Int32[],Boolean)	Returns whether a selected OMR (Optical Mark Recognition) field/s is filled or not, with Sensitivity Control and Confidence Level returned. This method is mainly used for Square and Perfectly Circular Fields. An OMR field can be a checkbox, a fill-in-area checkbox, areas on a multiple choice examination form, or any area where highlighting is required to indicate a certain choice. This overload is for COM Interop purpose and takes an array of Integer for the Areas parameter.

Reference

GdPictureImaging Class
GdPictureImaging Members