Visual Basic 2015 Unleashed

Presenting Hierarchical Data with the TreeView Control

The TreeView is another important control, and WPF provides its own implementation that exposes a TreeView.Items collection where you nest nodes. Each node is represented by a TreeViewItem object. You can build complex items as in the following example:

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<TreeView Name="TreeView1">    <TreeView.Items>        <TreeViewItem Header="Root Node" Name="RootNode"                      Tag="Information for this node">            <TreeViewItem Header="Node0" Name="Node0"/>            <TreeViewItem Header="Node1" Name="Node1">                <TreeViewItem Header="SubNode"                              Name="SubNode"/>            </TreeViewItem>        </TreeViewItem>    </TreeView.Items> ...