private void btn_AddFirst_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(tB_Elemento.Text))
{
MessageBox.Show("Error, campo de añadir vacio.");
return;
}
string s = tB_Elemento.Text;
list.AddFirst(s);
l_ListaSize.Content = string.Concat("List size: ", list.Size());
lV_Lista.Items.Clear();
foreach (string t in list)
{
lV_Lista.Items.Add(t);
}
}
