[Fabric] Add accessibilityHint support to UIA tree #12058
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Description
Note: this is the same change that was made in #12036, which was reverted here: #12057
Type of Change
Why
Add accessibilityHint support and information to UIA Tree HelpText property for improved accessibility information.
What
Added code to update HelpText UIA field with property value passed in to the accessibilityHint prop. Previously, when the accessibilityHint prop was populated, the HelpText field in the UIA tree would remain empty.
Screenshots
Before:
After:
As can be seen the HelpText property is updated within the UIA tree when setting the accessibilityHint prop
Testing
Tested that HelpText UIA field is not populated when accessibilityHint is set before code change, and that HelpText UIA field is populated after code change. Used
accessible.tsxsample page in playground for testingMicrosoft Reviewers: Open in CodeFlow