Expanders need a button on the arrow to assist with the narrator.

[dhoehna]

Describe the bug

The expander control lacks any information that tells a user using the narrator that they are on an actionable item. Narrator announces a "group" and if the expander is expanded or not, but not if the user can take an action.

Steps to reproduce the bug

1. Open the WinUI 3 Gallery
2. Go to the expander page.
3. Turn on narrator.
4. Tab over to an expander.
5. Narrator read [Title] group [state]

Expected behavior

Narrator announces that the expander can be interacted with. [title] Group CanExpand(?) I don't know the best content.

Screenshots

No response

NuGet package version

WinUI 3 - Windows App SDK 1.5.3: 1.5.240428000

Windows version

No response

Additional context

No response

[github-actions]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one. Thank you!

Closed similar issues:

• [Voice Access] Expander expand/collapse button cannot be targeted (#7817), similarity score: 0.76
• Narrator cannot read the contents of the Expander header in scan mode (#5820), similarity score: 0.76
• A11y_OSvisualupdate_MiniControGallery_GenericControls_Screenreader : The expand content is not announced for screen reader users on activating the “DropDownBtn” and “SplitButton” controls. (#1594), similarity score: 0.73
• XAML Controls Gallery : Narrator does not announce about the state of "Account", Document options" upon activating the button in Navigation View. (#2599), similarity score: 0.72
• Expander Control visuals seems incorrect (#6846), similarity score: 0.71

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[kmahone]

Thanks for providing this feedback. The Xaml Expander control implements the ExpandCollapse Pattern through UIAutomation. Xaml does not directly control how Narrator (or other assistive technology) describes the control.
In this case it reads out the state of the control as either Collapsed or Expanded.

I will pass along this feedback to the Narrator team to see if they want to be more descriptive in this scenario.