php的代码，看了好久，还是没明白。谁能帮我翻译成c#的 public function get_userinfo($uid){ $params = array(); $params['uid'] = $uid; return $this-post($params,http://api.tuan.2345.com/api/getuserinfo.php); } private function post($data,$url
php的代码，看了好久，还是没明白。谁能帮我翻译成c#的 
public function get_userinfo($uid){
  $params = array();
        $params['uid']       = $uid;
     return $this->post($params,http://api.tuan.2345.com/api/getuserinfo.php);
}
    private function post($data,$url)
    {/*{{{*/
        // get parts of url
        $url = parse_url($url);
        if (!$url) { return couldn't parse url; }
        // provide defaults for port and query string
        if (!isset($url['port']))  { $url['port'] = ; }
        if (!isset($url['query'])) { $url['query'] = ; }
        // build post string
        $encoded = ;
        foreach ($data as $k => $v) {
            $encoded .= ($encoded ? & : );
            $encoded .= rawurlencode($k) . = . rawurlencode($v);
        }
        // open socket on host
        //$encoded /* string */ = uid=%a1%b0608496%a1%b1
        $fp = @fsockopen($url['host'], $url['port'] ? $url['port'] : 80);
        if (!$fp) { return failed to open socket to {$url['host']}; }
        // send http 1.0 post request to host
        fputs($fp, sprintf(post %s%s%s http/1.0\n, $url['path'], $url['query'] ? ? : , $url['query']));
        fputs($fp, host: {$url['host']}\n);
        fputs($fp, content-type: application/x-www-form-urlencoded\n);
        fputs($fp, content-length: . strlen($encoded) . \n);
        fputs($fp, connection: close\n\n);
        fputs($fp, $encoded\n);
        // read the first line of data, only accept if 200 ok is sent
        $line = fgets($fp, 1024);
        if (!preg_match('#^http/1\\.. 200#', $line)) { return; }
        // put everything, except the headers to $results
        $results = ;
        $inheader = true;
        while(!feof($fp)) {
            $line = fgets($fp, 1024);
            if ($inheader && ($line == \n || $line == \r\n)) {
                $inheader = false;
            }
            elseif (!$inheader) {
                $results .= $line;
            }
        }
        fclose($fp);
        // return with data received
        return $results;
    }/*}}}*/