Fix ComboBox dropdown not scrolling to selected item when opened - #21764
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MrJul
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MrJul
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What does the pull request do?
Fix ComboBox dropdown not scrolling to selected item when opened
What is the current behavior?
What is the updated/expected behavior with this PR?
How was the solution implemented (if it's not obvious)?
Updated
ComboBox.TryFocusSelectedItemto always callScrollIntoView(SelectedIndex)before attempting to resolve and focus the selected container. This ensures the selected item is realized and brought into view when the dropdown opens.Added a regression test that opens a ComboBox with many items, scrolls the popup back to the top, closes it, and verifies reopening the dropdown focuses the selected item.
Checklist
Fixed issues
Fixes #21762