public static ReportsPage GetPage(SecretaryMain parent)
 {
     if (_instance == null)
     {
         _instance = new ReportsPage();
     }
     parent.Title.Content = "Izveštaj";
     return(_instance);
 }
 private void Reports_Executed(object sender, ExecutedRoutedEventArgs e)
 {
     Main.Content = ReportsPage.GetPage(this);
 }