How to make a recursive ListView in XAML - wpf

Question

My model looks like
public class MyVm
{
public string MyTitle { get; set; }
public List<MyVm> Children { get; set; }
public MyVm()
{
this.Children = new List<MyVm>();
}
}
I want to be able to list through all the children and children's children, which I think is recursive.
The MainWindow code behind is
public MainWindow()
{
InitializeComponent();
this.DataContext = this;
this.Kids = new List<MyVm>();
var m = new MyVm();
m.MyTitle = "Title1";
var m2 = new MyVm();
m2.MyTitle = "Title2";
var m3 = new MyVm();
m3.MyTitle = "Title3";
var m4 = new MyVm();
m4.MyTitle = "Title4";
m.Children.Add(m2);
m2.Children.Add(m3);
m3.Children.Add(m4);
this.Kids.Add(m);
}
public List<MyVm> Kids { get; set; }
and finally the MainWIndow view is
<Grid.Resources>
<Style x:Key="MyStyle" TargetType="ListViewItem">
<Setter Property="ContentTemplate">
<Setter.Value>
<HierarchicalDataTemplate>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding MyTitle}" />
<ListView ItemsSource="{Binding Children}" ItemContainerStyle="{Binding MyStyle}" />
</StackPanel>
</HierarchicalDataTemplate>
</Setter.Value>
</Setter>
</Style>
</Grid.Resources>
<ListView ItemsSource="{Binding Kids}" ItemContainerStyle="{StaticResource MyStyle}" />
As you can see I've tried to re-use the same resource for each 'children' to achieve the recursive bit, but sadly, the only thing I see rendered is a single TextBlock with Title2

Answer 1

For these purposes you would use a HierarchicalDataTemplate (which has its own ItemsSource property that you would bind to Children), i am not sure if a ListBox supports it. If not use a TreeView and change the control templates to remove the indentation and the collapse toggle button if you don't want that.

Answer 2

Fixed it
<Grid.Resources>
<DataTemplate DataType="{x:Type a:MyVm}">
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding MyTitle}" />
<ListView ItemsSource="{Binding Children}">
<ListView.ItemTemplate>
<DataTemplate>
<ContentControl Content="{Binding }" />
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</StackPanel>
</DataTemplate>
</Grid.Resources>
<ListView ItemsSource="{Binding Kids}" />