private void SortSpeakers()
{
if (Speakers == null)
{
return;
}
var imageSpeakers = new List <ImageSpeaker> ();
foreach (var item in Speakers)
{
imageSpeakers.Add(new ImageSpeaker(item));
}
var sorted = from speaker in imageSpeakers
orderby speaker.Name.GetLastName()
group speaker by speaker.NameSort into speakerGroup
select new Grouping <string, ImageSpeaker> (speakerGroup.Key, speakerGroup);
InitializeSpeakers();
foreach (var item in sorted)
{
GroupedSpeakers.Add(item);
}
}
private void InitializeSpeakers()
{
if (Speakers == null)
{
GroupedSpeakers = new ObservableCollection <Grouping <string, ImageSpeaker> > ();
}
else
{
GroupedSpeakers.Clear();
}
}