| Some Windows© classes and tools | |
| Enum used to define the language in Windows© for spell check | |
| Internal: the structures of a WPS4Graph | |
| Internal and low level: the structures of a WPS4Text used to parse PLC | |
| Internal: the structures of a WPS8Graph | |
| Internal and low level: the structures of a WPS8Text used to parse PLC | |
| Namespace used to read the structures stored in a WPS8 files | |
| Internal: the structures of a WPS8Table | |