public static void ShowDialog <T>(List <T> list, Action <T> onSelected = null)
{
var selector = new SimpleSelector <T>(list, onSelected);
if (selector.SelectionTree.EnumerateTree().Count() == 1)
{
selector.SelectionTree.EnumerateTree().First().Select();
selector.SelectionTree.Selection.ConfirmSelection();
}
else
{
selector.ShowInPopup(200);
}
}
