c#通过tcp发送十六进制

using System;
using System.Net;
using System.Net.Sockets;

class Program
{
    static void Main(string[] args)
    {
        // 服务器的IP地址和端口号
        string serverIP = "服务器IP地址";
        int serverPort = 1234;

        // 十六进制数据
        string hexData = "ABCD";

        // 将十六进制数据转换为字节数组
        byte[] data = ConvertHexStringToByteArray(hexData);

        // 创建TCP客户端连接
        TcpClient client = new TcpClient();
        client.Connect(serverIP, serverPort);

        // 发送字节数组
        NetworkStream stream = client.GetStream();
        stream.Write(data, 0, data.Length);

        // 关闭连接
        stream.Close();
        client.Close();
    }

    static byte[] ConvertHexStringToByteArray(string hexString)
    {
        int length = hexString.Length / 2;
        byte[] byteArray = new byte[length];
        for (int i = 0; i < length; i++)
        {
            byteArray[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
        }
        return byteArray;
    }
}