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LixtBox SelectedItem does not work correctly in combination with CollectionViewSource as ItemsSource #636

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spacilv opened this issue Jan 10, 2025 · 0 comments
Open

LixtBox SelectedItem does not work correctly in combination with CollectionViewSource as ItemsSource #636

spacilv opened this issue Jan 10, 2025 · 0 comments
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@spacilv
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spacilv commented Jan 10, 2025 •
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Hi
I encountered and issue with the ListBox control and SelectedItem (bind to ViewModel) which is reset to null when the CollectionViewSource is used as an ItemsSource and when moving between pages using Frame functionality. Please see the attached gif below and minimal sample.
When the CollectionViewSource is used for the outer ListBox then everything is working ok, only inner ListBox has a problem to hold the SelectedItem because CollectionViewSource.Source is set to null for some reason when moving back and forth between pages.

OS: Windows 11, macOS 15.2
Avalonia UI: 11.0.11
FluentAvalonia: 2.0.5

fa_issue_selecteditem
Minimal Sample: selecteditemtest.zip
@spacilv spacilv added the bug Something isn't working label Jan 10, 2025
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@spacilv