/// <summary>
/// Returns an enumerator that iterates through the channels collection.
/// </summary>
/// <returns>An enumerator that can be used to iterate through the channels collection.</returns>
protected virtual IEnumerator <IRealtimeChannel> GetEnumerator()
{
lock (_orderedChannels)
{
return(_orderedChannels.ToList().GetEnumerator());
}
}
private async void TabSelectChanged(TreeViewModelBase viewModel, string propertyName, ListSortDirection direction)
{
if (viewModel is SearchViewModel searchViewModel)
{
IEnumerable <SearchListViewItemInfo> searchItems = null;
{
var tempViewModels = new List <SearchViewModel>();
tempViewModels.AddRange(searchViewModel.GetAncestors().OfType <SearchViewModel>());
await Task.Run(() =>
{
searchItems = _cache_SearchItems.ToList();
foreach (var tempViewModel in tempViewModels)
{
searchItems = Filter(searchItems, tempViewModel.Model);
}
searchItems = this.Sort(searchItems, propertyName, direction, 100000);
});
}
if (this.TabSelectedItem.Value != viewModel)
{
return;
}
searchViewModel.Model.IsUpdated = false;
_contents.Clear();
_contents.AddRange(searchItems);
searchViewModel.Count.Value = _contents.Count;
}
}