C#

typedef struct libvlc_audio_output_t
 {
     char *psz_name;
     char *psz_description;
     struct libvlc_audio_output_t *p_next;
     
 } libvlc_audio_output_t;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
           private struct LocaleInfo
           {
               [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 1024)]
               public string countryName;
               [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 1024)]
               public string localeName;
               public IntPtr next;
           };

row 1 : 1, Tony Stegall, First book
row 2 : 2, Joe Smith, Joe Says Hi
row 3 : 3, Tony Stegall, Second book
row 4 : 4, Jim Smith, Jim has a friend named Joe

Smith,Jim
  - Jim has a friend named Joe
Smith,Joe
 - Joe Says Hi
Stegall, Tony
  - First Book
  - Second Book

// Avoids having to plumb notifications, is it useful as the class implements the interface?
// INotifyPropertyChanged is useful to know if it is possible to cascade changes
[Notify]
public class MyViewModel : 
	INotifyPropertyChanged, (INotifier?,) IDisposable, 
	INotificationConfigurator<MyViewModel> {
	public MyViewModel(AnotherObservableViewModel other){
		
	}
	
	// if property can notify it changed, notify my listeners it changed
	// you can filter which properties to cascade
	[CascadeNotification<AnotherClass>(x => x.Pty)] 
	public AnotherClass MyProperty {
		get;set;
	}
	
	[DontNotify] // blocks observation
	public object YourProperty {
		get;set;
	}
	
	public void AnActionDelegate(){
		// do something
	}
	
	public void ConfigureCascades<MyViewModel>(INotificationEngine notifier){
		//Cascade a notification
		notifier.CascadeChange<AnotherObservableViewModel>(other)
			.OnUpdate(other.OtherProperty)
				.CascadeOn(this.MyProperty)
				.Do(AnActionDelegate)
			.OnDispose()
				.CascadeDispose();
				
		// or?
		notifier.Cascade<From,To>() // notifier.Cascade<From,To>(From f, To t) overload ??
			.OnUpdate(from => from.OtherProperty)
				.CascadeNotificationOn(to => to.MyProperty)
				.Do(to => to.AnActionDelegate())
			.OnDispose()
				.CascadeDispose();
	}
}