WPF

[Serializable]
public class NodeModel : ViewModelBase
{
    public Guid Id { get; set; }
    public string Caption { get; set; }
    public string Description { get; set; }
    public bool IsActive { get; set; }
    public ImageSource Image { get; set; }
    public bool IsExpanded { get; set; }
    public string FileName { get; set; }
    public NodeType Type { get; set; }
    public List<NodeModel> Children { get; set; }
}

<HierarchicalDataTemplate DataType="{x:Type models:NodeModel}"
                            ItemsSource="{Binding Path=Children}">
    <StackPanel Orientation="Horizontal"
                Margin="2">
            
        <Image Source="{Binding Image}"
                Height="16"
                Width="16"
                Margin="0,0,2,0" />

        <TextBlock Margin="0,0,5,0">
                <Hyperlink NavigateUri="{Binding Caption}"
                            Foreground="#0C2DAA"
                            Command="{Binding Path=DataContext.SelectedLinkCommand, 
                                    RelativeSource={RelativeSource FindAncestor, 
                                    AncestorType={ x:Type views:ProjectListView}}}">

                    <InlineUIContainer>
                        <TextBlock Text="{Binding Caption}" />
                    </InlineUIContainer>

                    <Hyperlink.Style>     
                        <Style TargetType="Hyperlink">       
                            <Style.Triggers>         
                                <Trigger Property="IsMouseOver"
                                            Value="False">
                                    <Setter Property="TextDecorations"
                                            Value="{x:Null}" />         
                                </Trigger>       
                            </Style.Triggers>     
                        </Style>   
                    </Hyperlink.Style> 

                </Hyperlink>
                
                <TextBlock.ToolTip>
                    <ToolTip>
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto" />
                                <RowDefinition Height="Auto" />
                                <RowDefinition Height="Auto" />
                            </Grid.RowDefinitions>
                            <TextBlock FontWeight="Bold"
                                        Text="{Binding Path=Caption}"
                                        Grid.Row="0"
                                        Margin="0,0,0,3" />
                            <TextBlock FontStyle="Italic"
                                        Grid.Row="1"
                                        Text="{Binding Path=FileName}"
                                        Visibility="{Binding FileName, 
                                                    Converter={StaticResource StringToVisConverter}}" />
                            <TextBlock Text="{Binding Path=Description}"
                                        Grid.Row="2"
                                        Visibility="{Binding Description, 
                                                    Converter={StaticResource StringToVisConverter}}" />
                        </Grid>
                    </ToolTip>
                </TextBlock.ToolTip>
            </TextBlock>

    </StackPanel>

</HierarchicalDataTemplate>

<telerik:RadTreeView x:Name="tvwTreeData"
                     ItemsSource="{Binding Path=Folders}"
                     ItemContainerStyle="{StaticResource ItemContainerStyle}"
                     SelectedItem="{Binding Path=SelectedTreeItem, Mode=TwoWay}" />