(subclass ArrowKey SpecialComputerKeyboardKey) | ComputerInput.kif 292-292 | ArrowKey 是 SpecialComputerKeyboardKey 的 subclass |
(subclass RightArrowKey ArrowKey) | ComputerInput.kif 297-297 | RightArrowKey 是 ArrowKey 的 subclass |
(subclass LeftArrowKey ArrowKey) | ComputerInput.kif 301-301 | LeftArrowKey 是 ArrowKey 的 subclass |
(subclass UpArrowKey ArrowKey) | ComputerInput.kif 306-306 | UpArrowKey 是 ArrowKey 的 subclass |
(subclass DownArrowKey ArrowKey) | ComputerInput.kif 312-312 | DownArrowKey 是 ArrowKey 的 subclass |