2017-03-10 06:50:23 +00:00
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## Class: TouchBarSegmentedControl
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> Create a segmented control (a button group) where one button has a selected state
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Process: [Main](../tutorial/quick-start.md#main-process)
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2017-03-17 17:38:15 +00:00
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### `new TouchBarSegmentedControl(options)` _Experimental_
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2017-03-10 06:50:23 +00:00
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* `options` Object
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* `segmentStyle` String - (Optional) Style of the segments:
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* `automatic` - Default
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* `rounded`
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* `textured-rounded`
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* `round-rect`
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* `textured-square`
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* `capsule`
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* `small-square`
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* `separated`
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* `segments` [SegmentedControlSegment[]](structures/segmented-control-segment.md) - An array of segments to place in this control
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* `selectedIndex` Integer (Optional) - The index of the currently selected segment, will update automatically with user interaction
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* `change` Function - Called when the user selects a new segment
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2017-03-25 01:37:07 +00:00
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* `selectedIndex` Integer - The index of the segment the user selected
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2017-03-10 06:50:23 +00:00
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### Instance Properties
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The following properties are available on instances of `TouchBarSegmentedControl`:
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#### `touchBarSegmentedControl.segmentStyle`
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A `String` representing the controls current segment style. Updating this value immediately updates the control
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in the touch bar.
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#### `touchBarSegmentedControl.segments`
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A `SegmentedControlSegment[]` array representing the segments in this control. Updating this value immediately
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updates the control in the touch bar. Updating deep properties inside this array **does not update the touch bar**.
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#### `touchBarSegmentedControl.selectedIndex`
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An `Integer` representing the currently selected segment. Changing this value immediately updates the control
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in the touch bar. User interaction with the touch bar will update this value automatically.
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