httpclient调用c#中不支持的媒体类型

using System;
using System.Net.Http;
using System.Threading.Tasks;

public class Program
{
    public static async Task Main()
    {
        using (HttpClient client = new HttpClient())
        {
            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "https://example.com/api/endpoint");

            // 设置自定义的HttpContent，例如使用ByteArrayContent传递字节数组
            byte[] data = new byte[] { /* 媒体数据 */ };
            ByteArrayContent content = new ByteArrayContent(data);
            content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/custom-media-type");
            request.Content = content;

            HttpResponseMessage response = await client.SendAsync(request);

            // 处理响应
            string result = await response.Content.ReadAsStringAsync();
            Console.WriteLine(result);
        }
    }
}