Linq Sample

LinqSample.cs

  public bool TryGetPlayerInfoByUserName(string userName, out PlayerInfo playerInfo)
  {
      IEnumerable<PlayerInfo> infoQuery =
          from info in _PlayerInfoDic.Values
          where info.UserName == userName
          select info;
      if (0 != infoQuery.Count())
      {
          playerInfo = infoQuery.First();
          return true;
      }
      else
      {
          playerInfo = null;
          return false;
      }
  }