[WPF] TreeView 트리뷰

C# code

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();

        TreeViewItem treeItem = null;

        treeItem = new TreeViewItem();
        treeItem.Header = "KELT Team";

        treeItem.Items.Add(new TreeViewItem() { Header = "Kim" });
        treeItem.Items.Add(new TreeViewItem() { Header = "Eun" });
        treeItem.Items.Add(new TreeViewItem() { Header = "Lee" });

        TreeViewTeam.Items.Add(treeItem);
    }
}