public static AddWorker GetAddWorker() { if (add_worker == null) { add_worker = new AddWorker(); } add_worker.Activate(); return(add_worker); }
//Працівники private void AddWorker_Click(object sender, RoutedEventArgs e) { add_worker = AddWorker.GetAddWorker(); add_worker.Show(); }
private void Window_Closed(object sender, EventArgs e) { add_worker = null; }