protected override IDisposable SubscribeCore(IObserver <EventPattern <TEventArgs> > observer, IDisposable cancel)
{
var fe = new FromEventPattern(this, observer);
return(fe.Register() ? fe : Disposable.Empty);
}
protected override IDisposable SubscribeCore(UniRx.IObserver <EventPattern <TEventArgs> > observer, IDisposable cancel)
{
FromEventPattern fromEventPattern = new FromEventPattern(this, observer);
return((!fromEventPattern.Register()) ? Disposable.Empty : fromEventPattern);
}