<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
HorizontalAlignment="Center" VerticalAlignment="Center">
<TreeView>
<TreeViewItem Header="A" IsExpanded="True">
<TreeViewItem Header="B" />
<TreeViewItem Header="C" IsExpanded="True">
<TreeViewItem Header="D" />
<TreeViewItem Header="E" />
</TreeViewItem>
<TreeViewItem Header="F" />
</TreeViewItem>
<TreeViewItem Header="G">
<TreeViewItem Header="Child a" />
<TreeViewItem Header="Child b" />
<TreeViewItem Header="Child c" />
</TreeViewItem>
</TreeView>
</Page>
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