| (subclass ScrollBarArrowButton GUIButton) | ComputerInput.kif 981-981 | ScrollBarArrowButton 是 GUIButton 的 subclass |
| (subclass ScrollBarRightArrowButton ScrollBarArrowButton) | ComputerInput.kif 990-990 | ScrollBarRightArrowButton 是 ScrollBarArrowButton 的 subclass |
| (subclass ScrollBarLeftArrowButton ScrollBarArrowButton) | ComputerInput.kif 997-997 | ScrollBarLeftArrowButton 是 ScrollBarArrowButton 的 subclass |
| (subclass ScrollBarUpArrowButton ScrollBarArrowButton) | ComputerInput.kif 1005-1005 | ScrollBarUpArrowButton 是 ScrollBarArrowButton 的 subclass |
| (subclass ScrollBarDownArrowButton ScrollBarArrowButton) | ComputerInput.kif 1014-1014 | ScrollBarDownArrowButton 是 ScrollBarArrowButton 的 subclass |
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