Trinc-Prolog provides a complete object-oriented Application Programmers Interface (API) for Windows programming, it is based on the object-oriented Trinc-Prolog extensions. All the windows classes together are called the TPWIN (Trinc-Prolog WINdows) class library.
The alphabetic API reference explains each method of all the classes available for Windows programming, the classes are ordered alphabetically. In the grouped API reference the classes that belong to the same type are grouped together.