static void Main() {
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
User u = new User();
u.setPassword("pasword");
u.setUsername("usrnm");
UsersWrapper wrapper = new UsersWrapper();
List<User> users = new List<User>();
users.Add(u);
wrapper.setUsers(users);
XMLManager.writeUsers(wrapper);
}
public static void addUser(User user) {
UsersWrapper usersList = readUsers();
usersList.getUsers().Add(user);
writeUsers(usersList);
}