private UIWindowViewModel(UIWindow win, UIWindowViewModel parent)
{
_win = win;
_parent = parent;
_children = new ReadOnlyCollection <UIWindowViewModel>(
(from child in _win.Children
select new UIWindowViewModel(child, this))
.ToList <UIWindowViewModel>());
}
public UITreeViewModel(UIWindow rootWindow)
{
_rootWindow = new UIWindowViewModel(rootWindow);
_firstGeneration = new ReadOnlyCollection <UIWindowViewModel>(new UIWindowViewModel[] { _rootWindow });
}