private void editUser()
{
if (usersCatalog.SelectedItem != null)
{
User user = (User) usersCatalog.SelectedItem;
NewUserWin nuw = new NewUserWin(user);
nuw.ShowDialog();
RefreshList();
}
}
private void addUser_Click(object sender, System.Windows.RoutedEventArgs e)
{
NewUserWin nuw = new NewUserWin();
nuw.ShowDialog();
RefreshList();
}