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[Problem/Bug]: The narrator will hang our application when use Narrator scan mode #5582

@finepeilei

Description

@finepeilei

What happened?

After enabling Windows Narrator and turning on Scan Mode, when using keyboard navigation to move focus to the search bar in the Lenovo Vantage application, the application hangs (becomes unresponsive).

Importance

Moderate. My app's user experience is affected, but still usable.

Runtime Channel

Stable release (WebView2 Runtime)

Runtime Version

147.0.3912.98

SDK Version

1.0.2365.46

Framework

WinUI3/WinAppSDK

Operating System

Windows 11

OS Version

10.0.22621

Repro steps

1.Open Narrator
2.Turn scan mode
3.Open our application LenovoVantage
4.Use the keyboard to control the movement of the focus
5.Move focus to search bar
6.The application will hang <- (problem happen)

Repros in Edge Browser

No, issue does not reproduce in the corresponding Edge version

Regression

No, this never worked

Last working version (if regression)

N/A

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