void IListItemContainer.NotifyItemSelectedPropertyChanged(ListItemBase item, bool isSelected)
{
if (isSelected)
{
UnselectAll(item);
SetValue(SelectedItemProperty, item);
SetValue(SelectedValueProperty, item.Value);
}
}
public void UnselectAll(ListItemBase except = null)
{
foreach (var child in GetSelectedItems())
{
if (child != except)
{
child.IsSelected = false;
}
}
}