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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using LinqToVisualTree;
using System.Diagnostics;
using System.Xml.Linq;
namespace LinqToTreeWPF
{
/// <summary>
/// Interaction logic for Window1.xaml
/// </summary>
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
}
private void Window_ContentRendered(object sender, EventArgs e)
{
// get all the TextBox's which have a Grid as direct parent
var itemsFluent = this.Descendants<TextBox>()
.Where(i => i.Ancestors().FirstOrDefault() is Grid);
var itemsQuery = from v in this.Descendants<TextBox>()
where v.Ancestors().FirstOrDefault() is Grid
select v;
// get all the StackPanels that are within another StackPanel visual tree
var items2Fluent = this.Descendants<StackPanel>()
.Descendants<StackPanel>();
var items2Query = from i in
(from v in this.Descendants<StackPanel>()
select v).Descendants<StackPanel>()
select i;
// output a tree!
string tree = this.DescendantsAndSelf().Aggregate("",
(bc, n) => bc + n.Ancestors().Aggregate("", (ac, m) => (m.ElementsAfterSelf().Any() ? "| " : " ") + ac,
ac => ac + (n.ElementsAfterSelf().Any() ? "+-" : "\\-")) + n.GetType().Name + "\n");
Debug.WriteLine(tree);
}
}
}
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