Telegram Bot API C#如何获取所有固定消息？

using System;
using Telegram.Bot;
using Telegram.Bot.Args;

class Program
{
    static ITelegramBotClient botClient;

    static void Main()
    {
        botClient = new TelegramBotClient("YOUR_API_TOKEN");
        botClient.OnMessage += Bot_OnMessage;
        botClient.StartReceiving();

        Console.WriteLine("Bot started. Press any key to exit.");
        Console.ReadKey();

        botClient.StopReceiving();
    }

    static async void Bot_OnMessage(object sender, MessageEventArgs e)
    {
        if (e.Message != null && e.Message.Text != null)
        {
            // 处理固定消息
            if (e.Message.Text == "固定消息1")
            {
                // 处理固定消息1
            }
            else if (e.Message.Text == "固定消息2")
            {
                // 处理固定消息2
            }
            // 其他消息处理逻辑
        }
    }
}