System.Net.FileWebRequest.GetResponse C# (CSharp) Method

        public override WebResponse GetResponse()
        {
            _syncHint = true;
            IAsyncResult result = BeginGetResponse(null, null);

            if (Timeout != Threading.Timeout.Infinite &&
                !result.IsCompleted &&
                (!result.AsyncWaitHandle.WaitOne(Timeout, false) || !result.IsCompleted))
            {
                _response?.Close();
                throw new WebException(SR.net_webstatus_Timeout, WebExceptionStatus.Timeout);
            }

            return EndGetResponse(result);
        }

        /// <summary>
        /// 下载局域网文件
        /// </summary>
        /// <param name="path">局域网文件路径，如：\\192.168.10.1\app\app\123.zip</param>
        /// <param name="username">计算机名称</param>
        /// <param name="password">计算机密码</param>
        static void RequestWindowsShared(string path, string username, string password)
        {
            System.Net.FileWebRequest  request    = null;
            System.Net.FileWebResponse response   = null;
            System.IO.Stream           stream     = null;
            System.IO.FileStream       fileStream = null;
            try
            {
                Uri uri = new Uri(path);
                request = (System.Net.FileWebRequest)System.Net.FileWebRequest.Create(uri);
                System.Net.ICredentials ic = new System.Net.NetworkCredential(username, password);
                request.Credentials = ic;
                response            = (System.Net.FileWebResponse)request.GetResponse();
                stream = response.GetResponseStream();
                byte[] bytes = new byte[stream.Length];
                stream.Read(bytes, 0, bytes.Length);
                string filename = System.Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\" + System.IO.Path.GetFileName(path);
                fileStream = new FileStream(filename, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.ReadWrite);
                fileStream.Write(bytes, 0, bytes.Length);
                fileStream.Flush();

                Console.WriteLine("下载成功!");
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                fileStream.Close();
                fileStream.Dispose();
                stream.Close();
                stream.Dispose();
            }
        }