private void ListEdit_Click(object sender, RoutedEventArgs e)
{
var val = ((Button)sender).Tag;
AddListWindow addListWindow = new AddListWindow("Edit", (int)val);
addListWindow.Show();
}
private void AddList_Click(object sender, RoutedEventArgs e)
{
AddListWindow addListWindow = new AddListWindow("Add", 0);
addListWindow.Show();
}