| Class | Description | |
|---|---|---|
|  | LogicalUnitConverter | Defines many conversion methods that convert a floating-point number in a specific unit of measurement to its equivalant floating-point value in another unit of measurement. | 
|  | PageAlignment | Contains the information needed to align a Master Form (Form Template) page with the filled-in Form page image. | 
|  | PageProgressCallbackData | Data for the PageProgressCallback delegate. | 
| Structure | Description | |
|---|---|---|
|  | LogicalLength | Stores a floating-point number and a unit of measurement that represents the length. | 
|  | LogicalPoint | Stores two floating-point numbers and a unit of measurement that represent the coordinates of a point (X and Y). | 
|  | LogicalRectangle | Stores four floating-point numbers and a unit of measurement that represent the coordinates and size of a rectangle (X, Y, Width, and Height). | 
|  | LogicalSize | Stores two floating-point numbers and a unit of measurement that represents the size (Width and Height). | 
| Delegate | Description | |
|---|---|---|
|  | FormProgressCallback | Optional delegate method that reports the progress of a specific operation and offers the client an opportunity to cancel. | 
|  | PageProgressCallback | Monitors the progress of the form's page operations. | 
| Enumeration | Description | |
|---|---|---|
|  | FormsTradeoffMode | Represents the trade-off algorithm for recognition. | 
|  | LogicalUnit | Represents the unit of measurement for lengths and positions. |