mongo 监听指定语句

class Program
    {
        private static string conn = "mongodb://47.104.206.56:27017";
        //数据库名称
        private static string dbName = "Test1";
        //集合名称
        private static string colName = "Demo4";
        //连接服务端
        static MongoClient client = new MongoClient(conn);
        //获取指定数据库
        static IMongoDatabase db = client.GetDatabase(dbName);
       static  MongoClientSettings settings = new MongoClientSettings();
        static async Task Main(string[] args)
        {
            int i = 0;
            MongoClientSettings settings = new MongoClientSettings();
            settings.ConnectionMode = ConnectionMode.Automatic;
            settings.ClusterConfigurator = cb =>
            {
                //      监听执行语句
                cb.Subscribe<CommandStartedEvent>(hand =>
                {
                    Console.WriteLine($"命令名称:{hand.CommandName};命令内容{hand.Command}");
                });
            };
            settings.Server = new MongoServerAddress("47.104.206.56", 27017);
            MongoClient client = new MongoClient(settings);
            //获取指定数据库
            IMongoDatabase db = client.GetDatabase(dbName);
            IMongoCollection<BsonDocument> coll = db.GetCollection<BsonDocument>(colName);

            while (true)
            {
                var data = coll.Find(Builders<BsonDocument>.Filter.Empty).ToList();
                Thread.Sleep(1000);
            }
        }