private void Win_SourceInitialized(object sender, EventArgs e) { UserLogin login = new UserLogin(); login.WindowStyle = WindowStyle.None; login.WindowStartupLocation = System.Windows.WindowStartupLocation.CenterScreen; if (login.ShowDialog() == false) { this.Close(); } else { Connect.SetUser(login.UserId); tip.Content = "当前用户:" + Connect.GetUser(); } //tip.Content = "当前用户:1"; //Connect.SetUser("1"); }