Исходный код вики TreeView

Редактировал(а) Alexandr Fokin 2024/09/15 12:07

author	version	line-number	content
		1	\| \|TreeView
		2	\| \|(((
		3	\| \|Обработка событий: Expanded, DoubleClick
		4	\|xaml\|{{code language="xml"}}<TreeView
		5	Name="ElementsTreeView"
		6
		7	ItemsSource="{Binding Path=Root}"
		8	TreeViewItem.Expanded="ElementsTreeView_Expanded"
		9	TreeViewItem.MouseDoubleClick="ElementsTreeView_MouseDoubleClick">
		10
		11	<TreeView.ItemTemplate>
		12	<HierarchicalDataTemplate ItemsSource="{Binding Path=Childs}">
		13	<StackPanel Orientation="Horizontal">
		14
		15	<!--item template-->
		16
		17	</StackPanel>
		18	</HierarchicalDataTemplate>
		19	</TreeView.ItemTemplate>
		20
		21	</TreeView>{{/code}}
		22	\|code\|{{code language="c#"}}private async void ElementsTreeView_Expanded(object sender, RoutedEventArgs e)
		23	{
		24	var item = (TreeViewItem)e.OriginalSource;
		25	var node = item.DataContext as IViewModelItem;
		26
		27	//...
		28	}
		29
		30	private async void ElementsTreeView_MouseDoubleClick(object sender, MouseButtonEventArgs e)
		31	{
		32	IViewModelItem node = null;
		33
		34	if (sender is TreeView treeView)
		35	{
		36	if (treeView.SelectedItem is IViewModelItem viewNode)
		37	{
		38	node = viewNode;
		39	}
		40	}
		41
		42	//...
		43	}{{/code}}
		44	\| \|
		45
		46
		47	)))
		48	\| \|