public async Task CancelTest() { var exception = (Exception)null; var triggered = 0; await using (var @event = new FbRemoteEvent(Connection.ConnectionString)) { @event.RemoteEventError += (sender, e) => { exception = e.Error; }; @event.RemoteEventCounts += (sender, e) => { triggered++; }; await @event.OpenAsync(); await @event.QueueEventsAsync(new[] { "test" }); await using (var cmd = Connection.CreateCommand()) { cmd.CommandText = "execute block as begin post_event 'test'; end"; await cmd.ExecuteNonQueryAsync(); Thread.Sleep(2000); } await @event.CancelEventsAsync(); await using (var cmd = Connection.CreateCommand()) { cmd.CommandText = "execute block as begin post_event 'test'; end"; await cmd.ExecuteNonQueryAsync(); Thread.Sleep(2000); } Assert.IsNull(exception); Assert.AreEqual(1, triggered); } }