- 1. One of the most useful innovations in pointing devices is the scroll wheel.
- 点操作设备上最有用的发明之一是滚轮，滚轮有多种，外形略有差异。
-- 来源 -- About Face 3交互设计精髓
- 2. Camera rotate and zoom functions are cleverly mapped to the mouse scroll wheel, allowing fluid access while using other tools.
- 摄像机旋转和缩放功能巧妙地映射到鼠标的滚动轮上，这样在使用其他工具时可以方便地使用这些功能。
-- 来源 -- About Face 3交互设计精髓
- 3. Onscreen thumbwheels look rather like the scroll wheel on a mouse, and behave in much the same way.
- 屏幕上的拇指轮看上去就像鼠标上的滚动轮，行为也非常相似，并普遍用在某些三维程序中。
-- 来源 -- About Face 3交互设计精髓
- 4. If the drag is too far off base, the scrollbar makes the reasonable assumption that the user didn’t mean to scroll in the first place.
- 如果拖动得太远，则滚动条做出合理的猜测，即用户并不是首先想滚动。
-- 来源 -- About Face 3交互设计精髓
- 5. Never scroll text horizontally.
- 绝不要水平滚动文本。
-- 来源 -- About Face 3交互设计精髓
- 6. The fantastic thing about the scroll wheel is it allows users to avoid dealing with the challenges of interacting with scrollbars (see Figure 19-1).
- 滚轮的妙处在于使用者无须费力和难用的滚动条打交道（参见图19-1）。
-- 来源 -- About Face 3交互设计精髓
- 7. List controls normally have a vertical scrollbar for moving up and down through the list. List controls can also be made to scroll horizontally.
- 列表控件通常有一个垂直滚动条，用来向上或向下移动列表，它也可以设置水平滚动条。
-- 来源 -- About Face 3交互设计精髓
- 8. As the drag cursor approaches the borders of the scrollable window—but is still inside it—a scroll in the direction of the drag is initiated.
- 当拖动光标靠近可滚动窗口的边界——但仍然在窗口内——朝着拖动方向的滚屏就开始了。
-- 来源 -- About Face 3交互设计精髓
- 9. When objects can scroll off the screen, multiple selection requires a better, more distinct idiom.
- 当对象滚动出屏幕，多重选择需要更好更独特的习惯用法。
-- 来源 -- About Face 3交互设计精髓
- 10. Some programs set this limit too close, resulting in frustratingly temperamental scroll behavior.
- 一些程序将这种限制设置得太窄，导致滚屏的行为变幻无常，令人沮丧。
-- 来源 -- About Face 3交互设计精髓
