(subclass SingleKeyPress KeyboardAction) | ComputerInput.kif 1353-1353 | SingleKeyPress 是 KeyboardAction 的 subclass |
(subclass CharacterKeyPress SingleKeyPress) | ComputerInput.kif 1364-1364 | CharacterKeyPress 是 SingleKeyPress 的 subclass |
(subclass SpecialCharacterPress SingleKeyPress) | ComputerInput.kif 1384-1384 | SpecialCharacterPress 是 SingleKeyPress 的 subclass |