public static DeckManergerOperatre getInstance()
 {
     if (deckManerger == null)
     {
         deckManerger = new DeckManergerOperatre();
     }
     return(deckManerger);
 }
 public static DeckManergerOperatre getInstance(MainWindow mw)
 {
     if (deckManerger == null)
     {
         deckManerger = new DeckManergerOperatre();
         mainwindow   = mw;
     }
     return(deckManerger);
 }