This repository describes how to populate nodes with binding to a data in WPF TreeView (SfTreeView).
To create a tree view using data binding, set a hierarchical data collection to the ItemsSource property. And set the child object name to the ChildPropertyName property.
<Window x:Class="NodeWithImageDemo.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:local="clr-namespace:NodeWithImageDemo"
xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
xmlns:Engine="clr-namespace:Syncfusion.UI.Xaml.TreeView.Engine;assembly=Syncfusion.SfTreeView.WPF"
mc:Ignorable="d">
<Window.DataContext>
<local:FileManagerViewModel/>
</Window.DataContext>
<Grid>
<syncfusion:SfTreeView x:Name="sfTreeView"
ChildPropertyName="SubFiles"
ItemsSource="{Binding ImageNodeInfo}">
<syncfusion:SfTreeView.ItemTemplate>
<DataTemplate>
<Grid x:Name="grid">
<Grid Grid.Row="0">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="20" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Grid>
<Image Source="{Binding ImageIcon}"
VerticalAlignment="Center"
HorizontalAlignment="Center"
Height="16"
Width="16"/>
</Grid>
<Grid Grid.Column="1"
Margin="1,0,0,0"
VerticalAlignment="Center">
<TextBlock Text="{Binding ItemName}"
Foreground="Black"
FontSize="14"
VerticalAlignment="Center" />
</Grid>
</Grid>
</Grid>
</DataTemplate>
</syncfusion:SfTreeView.ItemTemplate>
</syncfusion:SfTreeView>
</Grid>
</Window>