public static ApplicationEvalutaionWindow GetInstance() { if (_instance == null) { _instance = new ApplicationEvalutaionWindow(); } return(_instance); }
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e) { _instance = null; }
private void appEvaluation_Click(object sender, RoutedEventArgs e) { ApplicationEvalutaionWindow.GetInstance().Show(); }