aistudio-wpf-diagram/Demos/AIStudio.Wpf.DiagramDesigner.Demo/MainWindow.xaml

<ac:WindowBase x:Class="AIStudio.Wpf.DiagramDesigner.Demo.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:ac="https://gitee.com/akwkevin/AI-wpf-controls"        
        mc:Ignorable="d"
        Title="AIStudio.Wpf.DiagramDesigner.Demo" 
        Icon="A.ico" 
        Identifier="RootWindow"
        Style="{StaticResource AIStudio.Styles.WindowBase}"
        Height="800" Width="1000">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" MinWidth="100" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <!--<ListBox x:Name="listbox" SelectionChanged="ListBox_SelectionChanged">

        </ListBox>-->
        <TreeView x:Name="treeview" 
                  Style="{StaticResource AIStudio.Styles.TreeView.Menu}"
                  SelectedItemChanged="treeview_SelectedItemChanged">
            <TreeView.ItemTemplate>
                <HierarchicalDataTemplate DataType="{x:Type ac:HamburgerTreeMenuGlyphItem}" ItemsSource="{Binding Path=Children}">
                    <Grid Margin="5">
                        <TextBlock VerticalAlignment="Center" Text="{Binding Title}" />
                    </Grid>
                </HierarchicalDataTemplate>
            </TreeView.ItemTemplate>
        </TreeView>
        <GridSplitter Width="2"
                      VerticalAlignment="Stretch" />
        <ContentControl x:Name="ContentControl"
                        Grid.Column="1"
                        Margin="0" />
    </Grid>
</ac:WindowBase>