Narrator screen reader is not announcing any information about "Generating Previews" popup: A11y_.NET CoreWinforms_PrintingTesting_ScreenReader about winforms HOT 20 OPEN

@Tanya-Solyanik
In native applications, narrator can't focus on dialogs that start on helper threads

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can you confirm whether this is our API with the popup dialog or if this comes from Windows

This is our API , we will fix this issue

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@LeafShi1 Can I get an update on this issue? Will we have a resolution, even partial, for RC1?

Currently this problem is blocked, because Narrator cannot focus on the new thread

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@Epica3055

In native applications, narrator can't focus on dialogs that start on helper threads

Your screen short shows a winforms application. When we talk about native applications we usually mean MFC. But no more experiments are needed in this case as this seems to be a difference between narrator and Jaws

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@Olina-Zhang Could you please share screenshot Accessibility insights including whole details. I tried to get the whole details but not able to inspect the control with AI tool.

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Same as #9280. However, on .NET 9.0, the results are the same for NVDA and Narrator, and the screen reader does not announce any information about “Generating Previews”.

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GithubTags:#Rev:yaja;

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@LeafShi1 can you confirm whether this is our API with the popup dialog or if this comes from Windows. I am confirming the severity change from last year to this year. If so, please add notification events for the page counts changing.

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Verified this issue on the latest .NET 9.0.100-preview 6.24320.9, this issue still repro.

Narrator:

NVDA:

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It's strange is that opening Narrator after the "Generating Previews" showing, the dialog can get focus and the content can be announced normally. If opening Narrator first and then debugging the project, the dialog "Generating Previews" cannot get focus.

This problem is because StatusDialog runs in a new thread, and Narrator cannot focus on the new thread. NVDA can recognize the new thread normally.

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@LeafShi1 Can I get an update on this issue? Will we have a resolution, even partial, for RC1?

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@merriemcgaw please follow up on this one

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@LeafShi1 - had you seen that narrator can't focus on dialogs that start on helper threads in in native applications -

This problem is because StatusDialog runs in a new thread, and Narrator cannot focus on the new thread. NVDA can recognize the new thread normally.

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@Olina-Zhang can your team check to see if JAWS responds correctly in this scenario? I'm going to bring this to Office Hours to see if we can close it or they'd like to file a Narrator bug. It would be nice to know if we're good on both free screen readers when I do.

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@merriemcgaw I tested JAWS can responds and announce the label and cancel button in "Generating Previews" dialog correctly, but Narrator cannot.

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#Regressed:08-09-24;

Verified this issue in the latest build.

1. Issue is still reproducing with Narrator as it is not announcing anything about popup.
2. NVDA is announcing about cancel button after loading 12 documents.
3. Issue is not reproducing with JAWS. Please find all the attachments for reference.

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@Olina-Zhang please attach a picture of the UIA properties from AccessibilityInsights when that dialog is up to show it's got everything coded right and they'll close it.

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@merriemcgaw here is a screenshot of "Generating Previews" pane in AccessibilityInsights:

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@PoojaNamde What's details you want to see? All properties of "Generating Previews" pane in AI tools?

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@Olina-Zhang As we are able to see the details till 'Legacy accessible pattern.child id', we need whatever details present below it.

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