ScrollBar

This behavior makes sense , since scrolling over long distances requires gross motor movements that make it difficult to stay within the bounds of the narrow scrollbar control .

这种行为很有道理，因为长距离的滚动需要粗略运动控制，使其难以保持在滚动条控件的范围内。

Which you can use when working out where to wrap , when to add a horizontal scrollbar and so on .

你可以使用在哪里工作时，包裹，当添加水平滚动条等。

You may need to use the scrollbar located to the right to display this field .

您可能需要使用定位在右边的滚动条来显示这个区域。

Adding the scrollbar widget to an application is quick and simple .

将scrollbar小部件添加到应用程序是非常方便快捷的。

Sets / returns value determining whether there is a vertical scrollbar on editor windows .

设置/返回一个值，用于确定编辑器窗口上是否有垂直滚动条。

Creating a large number of such controls that never actually display their scrollbar will encounter the leak .

如果创建了大量控件，但这些控件实际上又没有显示出滚动条则会导致内存泄漏。

Similarly , many developers choose to incorporate the scrollbar control when authoring their own user controls .

同样，许多开发人员在创作自己的用户控件时会选择合并scrollbar控件。

Unlike a scrollbar , they need not provide any proportional feedback because the range of the control is infinite .

和滚动条不同，它不需要提供任何比例反馈，因为控件范围是无限的。

First create the scrollbar widget .

首先创建scrollbar小部件。

Figure 21-21 : This image shows a limitation of using a scrollbar for navigating the endless stream of time .

图21-21图中显示的是滚动条的局限性，它不适合为无限的时间轴进行导航。

List controls are small text areas with a vertical scrollbar on the right-hand edge ( see Figure 21-9 ) .

列表控件是一个很小的文本区，右侧有一个垂直滚动条（参见图21-10）。

In software , we imagine that a spreadsheet scrolls new cells into view when we click on the scrollbar .

在电子表格软件中，我们想像单击滚动条时，软件将新的单元格显现在视图中。

The scrollbar widget controls the view of other widgets , such as text and entry widgets .

scrollbar小部件控制其他小部件的视图，例如text和entry小部件。

The application displays objects as discrete lines of text in the box , and the scrollbar moves them up or down .

应用程序在框中以离散的文本行形式显示对象，可以通过滚动条上下移动。

The scrollbar on the right is a bit visually cluttered , but has the most flexible interaction .

右边的滚动条在视觉上有些杂乱，但却是更为灵活的交互。

When the vertical scrollbar is visible , not in focus , and the user drags its thumb ?

当垂直滚动条是可见的，而不是在焦点，用户拖动的拇指？

Allow the user to interact with the scrollbar widget by moving the scrollbar to control the target widget 's movement .

允许用户通过移动滚动条来控制目标小部件的移动，从而与scrollbar小部件交互。

There are many more newsgroups than fit in that window , so you can use the scrollbar to see the rest of them .

当专题多到一个屏幕放不下时，可用滚动条查阅其余的内容。

Figure 19-1 : The familiar scrollbar , shown on the left , is one of the more difficult-to-use GUI controls .

图19-1图中显示的是我们熟悉的滚动条，是图形用户界面中一种较难使用的控件。

They put the frequently used but visually dislocating functions on small controls to the left of the horizontal scrollbar near the bottom of the screen .

而将经常使用，但视觉上会引起混乱的功能放在屏幕底部水平滚动条左边较小的控件上。

If the application , added to the safe environment , has a long name , it becomes inconvenient to use the scrollbar in the list of Safe Run applications .

如果一个位于安全免疫区中运行的程序有较长的文件名，它会使安全免疫区中的程序列表处的滚动条使用变得不方便。

But providing a text-based list with a required horizontal scrollbar is like providing a computer with a required pedal-powered electrical generator-bad news .

但是提供一个需要水平滚动条的文本列表就像提供一台需要脚踏发电的计算机一样，简直太愚蠢了。

Hints about the locations of these items appear in the track that the thumb of the scrollbar moves in , at the appropriate location .

当拖动滚动条到适当的位置时，就可以看见这些项目的位置提示信息。

While you 're at it , add a new CSS declaration to control the width of the tooltip content so it doesn 't end up with a scrollbar .

与此同时，添加一个新CSS声明以控制工具提示内容的宽度，从而不需要再用到滚动条。

However , if a user drags too far from the scrollbar , it resets itself to the position it was in before being clicked on .

但是如果用户的鼠标离滚动条太远，它就会自动回到单击前的位置。

Usually , GUI programs are structured in such a way that the program reacts to external events like the clicking of a mouse button or the dragging of a scrollbar .

通常，GUI程序的结构经过特殊设计，因此程序可以对外部事件（如单击鼠标按钮和拖动滚动栏）做出响应。

Horizontal Scrollbars are implemented identically to Horizontal Sliders with one exception : There is an additional argument which controls the width of the Scrollbar knob itself .

横向滚动条执行相同的横向滑块有一个例外：有一个额外的参数控制的宽度滚动旋钮本身。

Holder for ball slide die sets for press tools-Punch holder for back pillar sets 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。

The affordance of the scrollbar clearly shows that it can be manipulated , but the only things about it that tell us what it does are the arrows , which hint at its directionality .

滚动条的启示清楚地表明它能操作，但能告诉用户其作用的唯一东西是箭头，信息都藏在箭头的方向中。