private static void OnExpanderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TreeGridViewRowPresenter treeGridViewRowPresenter = (TreeGridViewRowPresenter)d;
treeGridViewRowPresenter.childs.Remove(e.OldValue as UIElement);
treeGridViewRowPresenter.childs.Add((UIElement)e.NewValue);
}
private static void OnExpanderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// Use a second UIElementCollection so base methods work as original
TreeGridViewRowPresenter p = (TreeGridViewRowPresenter)d;
p.childs.Remove(e.OldValue as UIElement);
p.childs.Add((UIElement)e.NewValue);
}