| 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. |