When using TreeView's item template and setting TreeViewItem.IsExpanded to True in XAML, repopulating (clearing item and then adding new items) the tree a few times collapses all items. When binding ...
ItemTemplateSelector is in a broken state for collection view controls (ListView, GridView, TreeView, etc) in WinUI3. When the user scrolls through the views and triggers recycling of containers, the ...
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