private void item_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
FileExplorerItem item = sender as FileExplorerItem;
if (item != null && item.IsSelected)
{
NotifyPropertyChanged("SelectedItem");
}
}
private static FileExplorerItem GetSelectedItem(IEnumerable <FileExplorerItem> items)
{
//top-level items:
FileExplorerItem item = items.FirstOrDefault(i => i.IsSelected);
if (item == null)
{
//sub-level items;
IEnumerable <FileExplorerItem> subItems = items.OfType <Directory>().SelectMany(d => d.SubItems);
if (items.Any())
{
item = GetSelectedItem(subItems);
}
}
return(item);
}