类: TouchBarSegmentedControl
- 类: TouchBarSegmentedControl
  - new TouchBarSegmentedControl(options)
  - 实例属性

类: TouchBarSegmentedControl

创建一个分段控件（按钮组），其中一个按钮具有选定状态

Process: Main
此类不从 'electron' 模块导出. 它只能作为Electron API中其他方法的返回值。

`new TouchBarSegmentedControl(options)`

选项 对象
- segmentStyle String (optional) - Style of the segments:
  - automatic - Default. The appearance of the segmented control is automatically determined based on the type of window in which the control is displayed and the position within the window. Maps to NSSegmentStyleAutomatic.
  - rounded - 控件的呈现使用圆形风格。 Maps to NSSegmentStyleRounded.
  - textured-rounded - 控件的呈现使用纹理圆形风格。 Maps to NSSegmentStyleTexturedRounded.
  - round-rect - 以圆角矩形样式显示控件。 Maps to NSSegmentStyleRoundRect.
  - round-rect - 以带纹理的矩形样式显示控件。 Maps to NSSegmentStyleTexturedSquare.
  - capsule - 以胶囊样式的风格显示控件 Maps to NSSegmentStyleCapsule.
  - small-square - 以小尺寸的矩形样式显示控件 Maps to NSSegmentStyleSmallSquare.
  - 表示控件的当前段样式。更新此值会立即更新触摸栏中的控件。 Maps to NSSegmentStyleSeparated.
- mode String (optional) - The selection mode of the control:
  - single - Default. One item selected at a time, selecting one deselects the previously selected item. Maps to NSSegmentSwitchTrackingSelectOne.
  - multiple - 可以选多个项。 Maps to NSSegmentSwitchTrackingSelectAny.
  - buttons - 将段作为按钮使用, 每一段都可以被按下和释放但是不会被标记为激活状态 Maps to NSSegmentSwitchTrackingMomentary.
- segments SegmentedControlSegment[] - 被放到控件中的段的集合
- selectedIndex Integer (optional) - 当前选中的段的下标, 这个值会在用户交互时自动更改 When the mode is multiple it will be the last selected item.
- change Function (optional) - Called when the user selects a new segment.
  - selectedIndex Integer - 用户选中的段的下标。
  - isSelected Boolean - 当前段的选中状态

实例属性

以下为 TouchBarSegmentedControl 实例的可用属性:

`touchBarSegmentedControl.segmentStyle`

A String representing the controls current segment style. Updating this value immediately updates the control in the touch bar.

`touchBarSegmentedControl.segments`

SegmentedControlSegment[]类型表示的控件中段的集合改变这个值会立刻刷新touch bar内的控件。然而改变数组某元素内的嵌套属性不会刷新touch bar。

`touchBarSegmentedControl.selectedIndex`

Integer类型表示的当前选中段改变这个值会立即触发更新当前段用户对触摸条的操作会自动更新这个值

`touchBarSegmentedControl.mode`

A String representing the current selection mode of the control. Can be single, multiple or buttons.