private void UnrealizedTreeViewSelection_Collapsed(Microsoft.UI.Xaml.Controls.TreeView sender, Microsoft.UI.Xaml.Controls.TreeViewCollapsedEventArgs args) { VirtualizingDataSource.EmptyTreeNode(args.Node); }
private void UnrealizedTreeViewSelection_Expanding(Microsoft.UI.Xaml.Controls.TreeView sender, Microsoft.UI.Xaml.Controls.TreeViewExpandingEventArgs args) { VirtualizingDataSource.FillTreeNode(args.Node); }