/// <summary>
/// Gets the named observable.
/// </summary>
/// <param name="source">The source.</param>
/// <returns>IObservable<System.String>.</returns>
public static IObservable <string> GetNamedObservable(this INotifyChanges source)
{
var eventArgSeq = Observable.FromEventPattern <PropertyChangedEventHandler, PropertyChangedEventArgs>(
eh => source.ValueChangedWithNameOnly += eh,
eh => source.ValueChangedWithNameOnly -= eh);
return(eventArgSeq.Select(
x => x.EventArgs.PropertyName
));
;
}
/// <summary>
/// Gets the null observable.
/// </summary>
/// <param name="source">The source.</param>
/// <returns>IObservable<System.Object>.</returns>
public static IObservable <object> GetNullObservable(this INotifyChanges source)
{
var eventArgSeq = Observable.FromEventPattern(
eh => source.ValueChangedWithNothing += eh,
eh => source.ValueChangedWithNothing -= eh);
return(eventArgSeq.Select(
x => null as object
));
;
}