public async Task GetTicks()
{
// Account feed ticks
List <TTFeedTick> ticks;
if (string.IsNullOrEmpty(TicksFilter))
{
ticks = await _client.GetAllTicksAsync();
}
else
{
ticks = await _client.GetTickAsync(TicksFilter);
}
Ticks = ticks != null ? new ObservableCollection <FeedTickView>(ticks.Select(t => new FeedTickView(t))) : null;
}