The XAML TreeView element represents a TreeView control in WPF. The code in this article are examples of using a XAML TreeView element.
XAML TreeView element to declare the TreeView control.
  1. <TreeView Margin="10,10,0,13" Name="TreeView1" HorizontalAlignment="Left"
  2. VerticalAlignment="Top" Width="194" Height="200" />
A TreeView is a collection of TreeViewItem elements. The following XAML code adds a few TreeViewItem element to the control.
  1. <TreeView Margin="10,10,0,13" Name="TreeView1" HorizontalAlignment="Left"
  2. VerticalAlignment="Top" Width="194" Height="200">
  3. <TreeViewItem Header="Cold Drinks">
  4. <TreeViewItem Header="Coke"></TreeViewItem>
  5. <TreeViewItem Header="Pepsi"></TreeViewItem>
  6. <TreeViewItem Header="Orange Juice"></TreeViewItem>
  7. <TreeViewItem Header="Milk"></TreeViewItem>
  8. <TreeViewItem Header="Iced Tea"></TreeViewItem>
  9. <TreeViewItem Header="Mango Shake"></TreeViewItem>
  10. </TreeViewItem>
  11. </TreeView>
You can write a double click event handler on a TreeViewItem to execute some code when a TreeView item is double clicked.
  1. <TreeViewItem Header="Dad" Foreground="Blue" MouseDoubleClick="TreeViewItem_MouseDoubleClick">
And implement event handler in your code behind.
  1. private void TreeViewItem_MouseDoubleClick(object sender, MouseButtonEventArgs e)
  2. {
  4. }
To avoid duplicate content, the article has moved here: WPF TreeView Tutorial