如何在c#中设置clientwebsocket的监听器？

using System;
using System.Net.WebSockets;
using System.Threading;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        using (ClientWebSocket webSocket = new ClientWebSocket())
        {
            webSocket.Options.SetRequestHeader("User-Agent", "Your User Agent");

            // 设置其他WebSocket属性
            webSocket.Options.KeepAliveInterval = TimeSpan.FromSeconds(120);
            webSocket.Options.SetBuffer(4096, 4096);

            // 设置监听器
            webSocket.Options.AddSubProtocol("your-subprotocol");

            // 连接到WebSocket服务器
            Uri serverUri = new Uri("wss://your-websocket-server.com");
            await webSocket.ConnectAsync(serverUri, CancellationToken.None);

            // 在此处进行其他操作，如发送和接收消息等

            // 关闭WebSocket连接
            await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "Connection closed", CancellationToken.None);
        }
    }
}