[Fabric] Fix UIA_LiveSettingPropertyId to use VT_I4 datatype instead of VT_BSTR #15438
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…of VT_BSTR Fixes microsoft#15050 Use GetLiveSetting() conversion function to properly convert accessibilityLiveRegion string values to long (VT_I4) datatype as required by UIA_LiveSettingPropertyId.
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vineethkuttan
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Dec 3, 2025
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Looks like the format is ok. Its likely ok as is. It does look like you are missing parts of your changes though. |
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Description
Fixes the UIA_LiveSettingPropertyId event to use the correct VT_I4 datatype instead of VT_BSTR for accessibility live region updates in Fabric. This ensures compliance with UIA requirements and improves accessibility event handling.
Type of Change
Erase all that don't apply.
Why
The motivation for this change is to resolve an issue where the UIA_LiveSettingPropertyId event was being raised with the wrong datatype (VT_BSTR instead of VT_I4). This caused accessibility tools to misinterpret the live region setting, impacting screen reader behavior and overall accessibility compliance.
Resolves #15050
What
CompositionViewComponentView.cppto use theGetLiveSetting()conversion function forUIA_LiveSettingPropertyId.Screenshots
N/A (no UI changes)
Testing
Optional: Ran local builds and checked accessibility event output for correctness.
Changelog
Should this change be included in the release notes: yes
Release Notes Summary:
Fixes accessibility event datatype for UIA_LiveSettingPropertyId in Fabric, ensuring proper screen reader support and UIA compliance.
Microsoft Reviewers: Open in CodeFlow