进程：

    • options Object
      • labelString (可选) 按钮文本。
      • backgroundColorString (可选) - 按钮背景颜色以十六进制格式，例如 。
      • icon NativeImage | String (optional) - Button icon.
      • iconPositionString (可选) - 可以是 left、right 或 overlay。 Defaults to overlay.
      • clickfunction (可选) - 单击按钮时调用的函数。

    When defining accessibilityLabel, ensure you have considered macOS .

    实例属性

    touchBarButton.accessibilityLabel

    A String representing the description of the button to be read by a screen reader. Will only be read by screen readers if no label is set.

    touchBarButton.label

    A String representing the button’s current text. Changing this value immediately updates the button in the touch bar.

    touchBarButton.backgroundColor

    touchBarButton.icon

    A NativeImage representing the button’s current icon. Changing this value immediately updates the button in the touch bar.

    touchBarButton.enabled

    A Boolean representing whether the button is in an enabled state.