类型 布尔值 事件 key 修订 版本 2024.3703 关键词 key, isCommandDown 另请参阅 event.isAltDown event.isCtrlDown event.isShiftDown 
指示在发生按键事件时是否按下了 Command/⌘ 或 Windows 键。
-- Called when a key event has been received
local function onKeyEvent( event )
    if event.isCommandDown then
        -- The Command/Windows key was held down for the given key
    else
        -- The Command/Windows key was not held down for the given key
    end
    return false
end
-- Add the key event listener
Runtime:addEventListener( "key", onKeyEvent )