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Merge pull request #3917 from AvaloniaUI/fixes/3910-treeview-selection-crash
Handle requesting children of unrealized TreeView containers.
feature/windowstate-fullscreen
Dariusz Komosiński
7 years ago
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GitHub
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1 changed files with
1 additions and
1 deletions
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src/Avalonia.Controls/TreeView.cs
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@ -395,7 +395,7 @@ namespace Avalonia.Controls |
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private void OnSelectionModelChildrenRequested(object sender, SelectionModelChildrenRequestedEventArgs e) |
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private void OnSelectionModelChildrenRequested(object sender, SelectionModelChildrenRequestedEventArgs e) |
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{ |
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{ |
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var container = ItemContainerGenerator.Index.ContainerFromItem(e.Source) as ItemsControl; |
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var container = ItemContainerGenerator.Index.ContainerFromItem(e.Source) as ItemsControl; |
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e.Children = container.GetObservable(ItemsProperty); |
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e.Children = container?.GetObservable(ItemsProperty); |
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} |
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} |
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private TreeViewItem GetContainerInDirection( |
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private TreeViewItem GetContainerInDirection( |
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