Jackal53

static void Main() { //--- 初期値はDoを通らず、かつSubscribe時に流れる var sequence = Observable.Range(1, 3) .Do(value => Console.WriteLine("Do({0})", value)) .Publish(-1); //--- 初期値を指定 sequence.SubscribeTracer("A"); sequence.SubscribeTracer("B"); sequence.Connect(); sequence.SubscribeTracer("C"); } //----- 結果 /* ----- A : Subscribe Before ----- A : OnNext(-1) ----- A : Subscribe After ----- ----- B : Subscribe Before ----- B : OnNext(-1) ----- B : Subscribe After ----- Do(1) A : OnNext(1) B : OnNext(1) Do(2) A : OnNext(2) B : OnNext(2) Do(3) A : OnNext(3) B : OnNext(3) A : OnCompleted B : OnCompleted ----- C : Subscribe Before ----- C : OnCompleted ----- C : Subscribe After ----- */