Set IsKeyboardFocusWithin to false when control is detached from visual tree #19369
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MrJul
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Aug 5, 2025
…al tree (#19369) * add failing IsKeyboardFocusWithin test for popup * Set IsKeyboardWithin to false when detached from visual tree
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What does the pull request do?
Supercedes #19325
When a control is detached from visual tree, it can't have keyboard focus, thus we set IsKeyboardWithin to false. The detached event moves down the tree from the detached visual so all descendants also set the property to false.
What is the current behavior?
What is the updated/expected behavior with this PR?
How was the solution implemented (if it's not obvious)?
Checklist
Breaking changes
Obsoletions / Deprecations
Fixed issues
Fixes #19299