private void SetupTopLevelSubscription()
{
//listen for changes in the number of legs
DisposableHelper.CreateNewCompositeDisposable(ref fakePairDisposables);
fakePairDisposables.Add(spotTileViewModel.ObservePropertyChanged(x => x.FakeSpotPair)
.Where(x => !string.IsNullOrEmpty(x.NewValue))
.Subscribe(x =>
{
this.SetupFakePairSubscription();
}));
if (!string.IsNullOrEmpty(spotTileViewModel.FakeSpotPair))
{
SetupFakePairSubscription();
}
}