public void closeDominatonWindow()
 {
     if (this.dominationWindow != null)
     {
         this.dominationWindow.Close();
         this.dominationWindow = null;
     }
 }
 public void showDominationWindow()
 {
     this.dominationWindow = new DominationWindow();
     this.dominationWindow.Show(this.parentMainWindow);
 }