private async Task UpdateFilterResultAsync()
{
await Parent.ExecuteAsync(() =>
{
using (var ps = Progress.Start(_originalChannelList.Count, LongRunningState.No))
{
_filterProgressScope = ps;
Channels.Clear();
ChannelsFilterView.Refresh();
_filterProgressScope = null;
}
});
}
private void InitCollectionView(List <ChannelInfo> channels)
{
_originalChannelList = channels;
HasSystemChannels = channels.Any(q => q.ChannelSource.IsSystemChannel);
ChannelsFilterView = (CollectionView)CollectionViewSource.GetDefaultView(channels);
Channels.Clear();
using (_filterProgressScope = Progress.Start(channels.Count, LongRunningState.No))
{
using (ChannelsFilterView.DeferRefresh())
{
ChannelsFilterView.Filter = OnChannelsViewFilter;
ChannelsFilterView.SortDescriptions.Add(
new SortDescription("Name", ListSortDirection.Ascending));
}
}
StatusInfoViewModel.LastUpdateTimestamp = DateTime.Now;
}
