public DataRangeViewModel()
{
Output = From.CombineLatest(To, (a, b) => new { a, b })
.Where(g => g.a < g.b)
.Select(_ => new UtilityModel.Range <DateTime> {
Minimum = _.a, Maximum = _.b
})
.Throttle(TimeSpan.FromSeconds(1))
.ToReactiveProperty();
}