如何以编程方式将子节点添加到C＃wpf中的树视图中 [英] How do you programmatically add a child node to a treeview in C# wpf

问题描述

如何在C＃中以编程方式将子节点添加到树视图中？

How do you programmatically add a child node to a treeview in C# wpf

推荐答案

请查看下面提到的链接以获取更多信息。

Please check below mentioned links for more info.

using System.Windows;
using System.Windows.Controls;

namespace WpfApplication20
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
	public MainWindow()
	{
	    InitializeComponent();
	}

	private void TreeView_Loaded(object sender, RoutedEventArgs e)
	{
	    // ... Create a TreeViewItem.
	    TreeViewItem item = new TreeViewItem();
	    item.Header = "Computer";
	    item.ItemsSource = new string[] { "Monitor", "CPU", "Mouse" };

	    // ... Create a second TreeViewItem.
	    TreeViewItem item2 = new TreeViewItem();
	    item2.Header = "Outfit";
	    item2.ItemsSource = new string[] { "Pants", "Shirt", "Hat", "Socks" };

	    // ... Get TreeView reference and add both items.
	    var tree = sender as TreeView;
	    tree.Items.Add(item);
	    tree.Items.Add(item2);
	}

	private void TreeView_SelectedItemChanged(object sender,
	    RoutedPropertyChangedEventArgs<object> e)
	{
	    var tree = sender as TreeView;

	    // ... Determine type of SelectedItem.
	    if (tree.SelectedItem is TreeViewItem)
	    {
		// ... Handle a TreeViewItem.
		var item = tree.SelectedItem as TreeViewItem;
		this.Title = "Selected header: " + item.Header.ToString();
	    }
	    else if (tree.SelectedItem is string)
	    {
		// ... Handle a string.
		this.Title = "Selected: " + tree.SelectedItem.ToString();
	    }
	}
    }
}

WPF TreeView



WPF中的TreeView

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