Demo reading partial content with HttpClient

gistfile1.txt

  private static void TestBigDownload(string host)
        {
            var httpclient = new HttpClient() { BaseAddress = new Uri(host) };

            var stream = httpclient.GetStreamAsync("pullbigresource").Result;


            var bytes = new byte[10000];

            var bytesread = stream.Read(bytes, 0, 1000);

          

        }



[Route("pullbigresource")]
    public class PullResourceController : ApiController
    {
        public HttpResponseMessage Get()
        {
            var sb = new StringBuilder();
            for (int i = 0; i < 10000; i++)
            {
                sb.Append(i.ToString());
                sb.Append(",");
            }
            byte[] buffer = System.Text.Encoding.UTF8.GetBytes(sb.ToString());


            Action<Stream, HttpContent, TransportContext> gen = (s, httpContent,tc) =>
            {
                
                s.Write(buffer,0,2000);
                Thread.Sleep(10000);
                s.Write(buffer, 2000, buffer.Length - 2000);
                
            };
            var content = new PushStreamContent(gen, "text/plain");
            content.Headers.ContentLength = buffer.Length;
            var response = new HttpResponseMessage()
            {
                Content = content
            };

            return response;
        }
    }