public void RemoveGame(int gameId)
        {
            var removeWhat = AllChannelsCollection.FirstOrDefault(kgc => kgc.ChannelId == gameId);

            if (removeWhat != null)
            {
                AllChannelsCollection.Remove(removeWhat);
            }

            // Old:
            Games.RemoveAll(kgi => kgi.ChannelId == gameId);
            Challenges.RemoveAll(kgi => kgi.ChannelId == gameId);
        }
 public void UpdateGames(GameChannel[] games, KgsConnection connection)
 {
     foreach (var g in games)
     {
         var existingGame = AllChannelsCollection.FirstOrDefault(kgc => kgc.ChannelId == g.ChannelId);
         if (existingGame != null)
         {
             existingGame.UpdateFrom(g);
         }
         else
         {
             AddChannel(g, connection);
         }
     }
 }