private void DescendingSort_Button_Click(object sender, RoutedEventArgs e)
{
Files1 = new ObservableCollection <StorageFile>(Files1.OrderByDescending(u => u.Name));
Files2 = new ObservableCollection <StorageFile>(Files2.OrderByDescending(u => u.Name));
Files1_ListBox.ItemsSource = Files1;
Files2_ListBox.ItemsSource = Files2;
}
private async Task ReductFilesAsync()
{
Task task = new Task(() =>
{
//Skip all that have name eqivalent
var newFiles1 = Files1.Where(u => !Files2.Any(v => v.Name == u.Name)).ToList();
var newFiles2 = Files2.Where(u => !Files1.Any(v => v.Name == u.Name)).ToList();
Files1 = new ObservableCollection <StorageFile>(newFiles1);
Files2 = new ObservableCollection <StorageFile>(newFiles2);
});
task.Start();
await task;
}