void UpdateContent()
 {
     PlayerSet.SaveState();
     listView.Items.Clear();
     foreach (Player p in PlayerSet.Set)
     {
         listView.Items.Add(p);
     }
 }
 private void UpdateContent()
 {
     PlayerSet.SaveState();
     listView.Header = currentPlayer.Name + "'s Exclusions";
     listView.Items.Clear();
     foreach (string s in currentPlayer.Exclusions)
     {
         listView.Items.Add(s);
     }
 }