GitHub

wpf-treeviewitem-must-be-used-within-a-treeview.md

A change was introduced in 4.5 that restricts usage of xref:System.Windows.Controls.TreeViewItem?displayProperty=name elements outside of a xref:System.Windows ...
GitHub

how-to-bind-a-treeview-to-data-that-has-an-indeterminable-depth.md

There might be times when you want to bind a xref:System.Windows.Controls.TreeView to a data source whose depth is not known. This can occur when the data is recursive in nature, such as a file system ...