private void Btn_Restaurar_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         Empleado      emp   = new Empleado();
         PantallaCheck check = new PantallaCheck();
         check.ShowDialog();
         //System.Threading.Thread.Sleep(TimeSpan.FromSeconds(3));
         emp.Activar(ID);
         MN.AbrirFormHijo(new PantallaUsuario(MN, IdUSUATIO));
     }
     catch (Exception ex)
     {
     }
 }