Labels:text | diagram | screenshot | parallel | plan | technical drawing | rectangle | schematic | line | number | black and white OCR: Figure 2 Class hierarchy of WUIMAN kernel Legend: Internal use only Ck to use uso or derive from AWuiobject TWuiObject AWuiAttribute AWuiModifiableAttributg TWuiHathod TWuiNonContainer ThuiContainer TruiProporty wWiiEvent TWufIntProperty TwuiLongProperty ThuiDoubleProperty TWuiStringProperty