Fix crash in TreeView when removing a node. (#16041)

SelectedItems are already updated via TreeView.OnItemsViewCollectionChanged
2 years ago · f2bee9acc0
1 changed files with 1 additions and 2 deletions
--- a/samples/ControlCatalog/ViewModels/TreeViewPageViewModel.cs
+++ b/samples/ControlCatalog/ViewModels/TreeViewPageViewModel.cs
@ -49,9 +49,8 @@ namespace ControlCatalog.ViewModels
        {
            while (SelectedItems.Count > 0)
            {
-                Node lastItem = (Node)SelectedItems[0];
+                var lastItem = SelectedItems[0];
                RecursiveRemove(Items, lastItem);
-                SelectedItems.RemoveAt(0);
            }

            bool RecursiveRemove(ObservableCollection<Node> items, Node selectedItem)