| Class | Description |
 | BarcodeFormField | A single rectangular region on a form. |
 | BarcodeFormFieldResult | Provides the results of processing the barcode field. |
 | FormField | The base class for all form fields. Any form field, either predefined or user-defined, should implement FormField. |
 | FormFieldResult | Provides the results of processing the field. The base class for all form field result classes. |
 | FormPage | Specifies the page properties and fields for a Master Form. |
 | FormPages | Collection of FormPage objects. |
 | FormProcessingEngine | Class that contains the processing engine used to perform field processing. |
 | ImageFormField | A single rectangular region on a form that defines an image area on a blank (not filled-in) form to be used when an image reading process is performed on the filled form during form processing. |
 | ImageFormFieldResult | Provides the results of processing the image field. |
 | OcrFormField | The base class for all text, OMR and OCR fields. Any OCR form field, whether predefined or user-defined, should implement OcrFormField. |
 | OcrFormFieldResult | Provides the results of processing the OCR field. |
 | OmrFormField | A single rectangular region on a form that defines an OMR (optical mark) area on a blank (not filled-in) form so that an OMR reading process can be performed on the filled form during form processing. |
 | OmrFormFieldResult | Provides the results of processing the OMR field. |
 | ProcessFieldEventArgs | Handles each field processed by the FormProcessingEngine. |
 | ProcessPageEventArgs | Handles each page processed by FormProcessingEngine. |
 | TableColumn | A column of TableFormField. |
 | TableFormField | A single rectangular region on a form that extended to defines a table/invoice area on a table header (not filled-in) form so a text reading process can be performed on the filled form during form processing on the recognized fields to the end of the invoice area. |
 | TableFormFieldResult | Provides the results of processing the table field. |
 | TableFormRow | The row containing the recognized fields in the table. |
 | TextFormField | A single rectangular region on a form that defines a text area on a blank (not filled-in) form so a text reading process can be performed on the filled form during form processing. |
 | TextFormFieldResult | Provides the results of processing the text field. |
 | UnStructuredTextFormField | A class that represents a rectangular region (as well as the label to the left of the region) that defines an area on a form that can be filled in with text and read during form processing. Unlike the TextFormField, this class does not have a fixed, pre-defined structure. |