using (var request = new HttpRequest("http://site.com/"))
{
request.UserAgent = Http.ChromeUserAgent();
request.Proxy = Socks5ProxyClient.Parse("127.0.0.1:1080");
request
// Parameters URL-address.
.AddUrlParam("data1", "value1")
.AddUrlParam("data2", "value2")
// Parameters 'x-www-form-urlencoded'.
.AddParam("data1", "value1")
.AddParam("data2", "value2")
.AddParam("data2", "value2")
// Multipart data.
.AddField("data1", "value1")
.AddFile("game_code", @"C:\orion.zip")
// HTTP-header.
.AddHeader("X-Apocalypse", "21.12.12");
// These parameters are sent in this request.
request.Post("/").None();
// But in this request they will be gone.
request.Post("/").None();
}