public async Task SortAsync <T>(T[] ar, Func <T, T, int> comparer)
{
await Task.Run(() =>
{
Sort(ar, comparer);
});
SortComplete?.Invoke(this, new EventArgs());
}
public void SortList(BindingList <FilmViewModel> _films, int columnIndex)
{
new Task(() =>
{
switch ((FilmViewFields)columnIndex)
{
case FilmViewFields.Name:
if (_nameSort == SortType.Ascending)
{
BindingList = new BindingList <FilmViewModel>(_films.OrderByDescending(f => f.Name).ToList());
_nameSort = SortType.Descending;
}
else
{
BindingList = new BindingList <FilmViewModel>(_films.OrderBy(f => f.Name).ToList());
_nameSort = SortType.Ascending;
}
break;
case FilmViewFields.Year:
if (_yearSort == SortType.Ascending)
{
BindingList = new BindingList <FilmViewModel>(_films.OrderByDescending(f => f.Year).ToList());
_yearSort = SortType.Descending;
}
else
{
BindingList = new BindingList <FilmViewModel>(_films.OrderBy(f => f.Year).ToList());
_yearSort = SortType.Ascending;
}
break;
case FilmViewFields.Country:
if (_countrySort == SortType.Ascending)
{
BindingList = new BindingList <FilmViewModel>(_films.OrderByDescending(f => f.Country).ToList());
_countrySort = SortType.Descending;
}
else
{
BindingList = new BindingList <FilmViewModel>(_films.OrderBy(f => f.Country).ToList());
_countrySort = SortType.Ascending;
}
break;
}
SortComplete?.Invoke(this, EventArgs.Empty);
}).Start();
}
