TreeView Control in WPF

TreeView Control in WPF Window Based

A TreeView Shows data in a hierarchical Form in a parent child relationship where a parent node can be expanded .You can use the TreeView control to display information from a wide variety of data sources such as an XML file, site-map file, string, or from a database. or you can say TreeView control is a hierarchical structure to display the data. its look like a tree. it also contain root node, parent node and child node like tree.

Features:

• Internet Explorer Favorites style view.
• Append a number to any node, allowing you to create an Outlook style folder list with message counts.
• Choose Font and Color on an item-by-item basis, and set the control's back color.
• Bolding of items
• Info Tip (multi-line tooltip) support with full control over Info Tip color
• Works with Microsoft or API ImageList.
• Item check boxes
• Full-Row select mode
• Single-Click expand mode
• Supports Two Images per item: one standard icon and a state icon.
• Disable Custom Draw for maximum speed
• Speed-optimized Clear method

Example of TreeView Control:

<Window x:Class="WpfApplication7.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="370" Width="417" Loaded="Window_Loaded">
    <Grid>
        <ListView>
            <TreeView Name="tree1" Background="LightCyan"  >
                <TreeViewItem Header="File" Background="Red" FontSize="15">
                </TreeViewItem>
                <TreeViewItem Header="Edit" Background="Red" FontSize="15" >
                </TreeViewItem>
            </TreeView>
        </ListView>
    </Grid>
</Window> 

XAML .CS Code

private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Dictionary<string, List<string>> items = new Dictionary<string, List<string>>()
          {
             {"File",new List<string>() {"New","Open","ADD","Save","Save As","Close"}},
             {"Edit",new List<string>() {"Undo","Cut","Copy","Paste","Delete"}},
         };
            foreach (TreeViewItem tv in tree1.Items)
            {
                foreach (string item in items[tv.Header.ToString()])
                    tv.Items.Add(item);
            }
        } 

Designed Output-