请问以下代码哪一句造成资源没有释放　The process cannot access the file

pingosk 2016-11-17 02:24:00



    string path = Path.Combine(HttpRuntime.AppDomainAppPath, picurl.TrimStart(new char[1]{'/'}));



            //LogManager.getInstance().getLogger(typeof(BaoMingRobot)).Error(path);



            String dirPath = Path.Combine(HttpRuntime.AppDomainAppPath, "files111221/toupiao/");



            dirPath += ac.SmallVoteId + "/";

            if (!Directory.Exists(dirPath))

            {

                Directory.CreateDirectory(dirPath);

            }



            string path2 = dirPath + openid + ".jpg";



            string pathLogo = dirPath + openid + "_logo.jpg";



            if (!string.IsNullOrEmpty(PicUrl1))

            {

                WebClient myWebClient = new WebClient();

                myWebClient.DownloadFile(PicUrl1, pathLogo);

                myWebClient.Dispose();

            }



            //LogManager.getInstance().getLogger(typeof(BaoMingRobot)).Error(path2);



            System.Drawing.Image image = System.Drawing.Image.FromFile(path);

            //先生成编号

            //第一步，很获得图片

            using (Graphics g = Graphics.FromImage(image))

            {

                //g.DrawString("关注之后请回复编号", new Font("宋体", 16),

                //    Brushes.Black, new PointF(200, 660));

                //g.Flush();



                if (!string.IsNullOrEmpty(PicUrl1))

                {

                    System.Drawing.Image imageLogo = System.Drawing.Image.FromFile(pathLogo);

                    // g.DrawImage(imageLogo, new Rectangle(100, 100, image.Width, image.Height), new Rectangle(0, 0, imageLogo.Width, imageLogo.Height), GraphicsUnit.Pixel);

                    g.DrawImage(imageLogo, new Rectangle(image.Width / 2 - imageLogo.Width / 12, 20, imageLogo.Width * 2 / 12, imageLogo.Height * 2 / 12), new Rectangle(0, 0, imageLogo.Width, imageLogo.Height), GraphicsUnit.Pixel);

                    imageLogo.Dispose();

                }

                g.Flush();



                g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;

                g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;

                g.DrawString(num.ToString(), new Font("黑体", 30,FontStyle.Bold),

                    Brushes.Red, new PointF(322, 950));

 

                g.Flush();

            }

            image.Save(path2);

            image.Dispose();

 - System.IO.IOException: The process cannot access the file 'C:\webroot\files111221\toupiao\65\oeuv9wiGNe-KH7djQNP9LZCTxlLU_logo.jpg' because it is being used by another process.

   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

   at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath)

   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access)

   at System.Net.WebClient.DownloadFile(Uri address, String fileName)

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