Question

I’m trying to run my task immediately, then to run it by time interval.
I wrote the following :

var syncMailObservable = Observable.Interval(TimeSpan.FromSeconds(15));
syncMailObservable.Subscribe(s => MyTask());

The problem is the task starts only after the 15 seconds. I need to run my task at the beginning then to continue by time interval.

How would I do that?

Answer 1

You could do this:

var syncMailObservable =
    Observable
        .Interval(TimeSpan.FromSeconds(15.0), Scheduler.TaskPool)
        .StartWith(-1L);
syncMailObservable.Subscribe(s => MyTask());