图3所示树控件的源代码见清单4。
The source code for the tree controls shown in Figure 3 appears in Listing 4.
在树控件中显示可用的引用程序集。
The available referenced assemblies display in a tree control.
我们将从用于显示元数据的树控件开始介绍。
如果要隐藏组的成员线程，可以使用树控件折叠组。
If you want to hide the member threads for a group, you can use the tree control to collapse the group.
同时，采用了基于树控件和基本连接图相结合的图形化查询方法。
Simultaneously, the query method is based on tree control and simple joint chart to save time.
如果变量是数组或对象，则“名称”框中的名称旁边将出现树控件。
If the variable is an array or object, a tree control appears next to the name in the name box.
标题包含组的说明(如“辅助线程”或“未标记的线程”)和树控件。
The heading contains a group description, such as "Worker Thread" or "Unflagged Threads," and a tree control.
在左侧面板中的树控件中，单击LocalConfiguration。
In the tree control in the left pane, click the Local configuration.
第一个修改是使用树控件替换 “Refine By”（元数据）选项的显示。
The first is to replace the display of "Refine By" (metadata) options with a tree control.
在左侧面板中的树控件中展开ControllerContentStore数据库条目。
Expand the ControllerContentStore database entry in the tree control in the left pane.
如图3所示，ExtJS还提供树控件，这种控件提供用户熟悉的与文件系统相似的视图。
As shown in Figure 3, Ext JS also provides tree controls, which provide users with a familiar file system-like view.
在左侧面板中的树控件中，选择刚才创建的数据库连接，然后单击主工具栏中的Run图标。
In the tree control in the left pane, select the database connection you've just created, and click the Run icon from the main tool bar.
通过提供TLB(类型库)，我们可以拉每个函数签名，并可以显示每个签名到网格控制或树控件。
By providing TLB (Type libraries) we can pull every function signature and can show every signature to Grid control or on Tree control.
然后，在后面的小节中，将了解如何使用树控件显示和选择元数据条件，从而改进文档搜索的用户界面。
Then in a later section, see how the user interface can be improved for document search by using a tree control for displaying and selecting the metadata conditions.
最后，为树节点添加一些悬停文本并指定呈现它们时使用的css样式，这将导致产生具有可用的一致外观的树控件，如图4中所示。
Finally, adding some hover text to the tree nodes and specifying the CSS style to be used in rendering them results in a tree control with a usable, consistent look and feel, as shown in Figure 4.
以前树形控件是通过清单和链接创建的，因此用户必须使用制表键跳到每个树项目。
Previously, tree controls were created out of lists and links so the user had to TAB to each tree item.
但它也有树、工具栏、表以及其它控件。
一旦加载完毕，它可以给出关于控件树、属性值来自于何处以及数据绑定错误等的相关信息。
Once loaded, it gives you detailed information on the control trees, where properties are getting their value from, and any data binding errors.
在基于列表和树的控件中，开始输入您希望选择的值的名称：一个经筛选的弹出对话框允许快速导航到所需的值。
In list and tree based controls, start typing the name of the value that you want to select: a filtered pop-up dialog allows to quickly navigate to the desired value.
可以使用其中一些核心小部件作为UI控件，比如菜单小部件、选项卡集、树小部件等等。
You can use some of the core widgets as UI controls, such as the menu widget, tabs set, tree widget, and more.
当该页发回服务器时，服务器可以分析、验证、并将此视图状态数据应用回该页的控件树。
When the page is posted back to the server, the server can parse, validate, and apply this view state data back to the page's tree of controls.
快捷菜单界面是页面的一部分，并且属于页面控件树中的一员。
The context menu's UI is part of the page and takes up space in the page's control tree.
该工具集包含了各种控件，如数据表格、图表、日历、菜单、树、标签、HTML、拼写检查器、验证码、浏览工具条、调度器等等。
The toolkit contains various controls like: datagrids, charts, calendars, menus, trees, tabs, HTML, spell checkers, captcha, explorer bars, scheduling, and others.
它提供了各种流行的富internet控件，比如菜单、选项卡、树和弹出菜单。
It provides all sorts of popular rich Internet controls such as menus, tabs, trees, and pop-up menus.
其他小部件包括选项卡、图表、窗口（对话框）、树、布局管理器、增强的表单控件、工具栏和菜单、拖放操作和直接远程功能（direct remoting）。
Some of the other widgets that come with ExtJS include tabs, charts, windows (dialogs), trees, layout managers, enhanced form controls, toolbars and menus, drag and drop, and direct remoting.
Swing框架包括您需要的大部分标准控件，包括树、表、列表等等。
The Swing framework includes most of the standard controls that you need, including trees, tables, lists, and so forth.
它还允许你用你想要的任何东西完全替换控件的视觉树(visual tree)，同时还保持控件的同样行为。
It optionally allows you to completely replace a control's visual tree with anything you want - while still keeping the control behavior intact.
这些现有控件的继承树与asp.net 1. x的相同。
The inheritance tree for these existing controls is the same as ASP.NET 1.x.
换句话说，您必须使用FindControl来访问控件树。
In other words, you would have to access the control tree using FindControl.
遗憾的是，髧层次树也是工具箱中最容易被错误使用的控件之一。
Unfortunately, hierarchical trees are one of the most inappropriately used controls in the toolbox.
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