public ObserveOn_(ObserveOnObservable <T> parent, ISchedulerQueueing scheduler, IObserver <T> observer, IDisposable cancel) : base(observer, cancel)
{
this.parent = parent;
this.scheduler = scheduler;
this.isDisposed = new BooleanDisposable();
this.onNext = new Action <T>(OnNext_); // cache delegate
}
public ObserveOn(ObserveOnObservable <T> parent, IObserver <T> observer, IDisposable cancel) : base(observer, cancel)
{
this.parent = parent;
}