Wpf的Image控件显示MemoryStream提供的流图像时抛异常处理方法

            byte[] b = File.ReadAllBytes(Directory.GetCurrentDirectory() + "\\test.jpg");
            //using (MemoryStream ms = new MemoryStream(b))
            //{

                
            //    BitmapImage bm = new BitmapImage();

            //    bm.BeginInit();
            //    //long a = ms.Seek(0, SeekOrigin.Begin);
            //    bm.StreamSource = ms;
            //    bm.EndInit();
            //    image_1.Source = bm;

            //}



//下边的代码正常，因为去掉了using()

            MemoryStream ms = new MemoryStream(b);
            


                BitmapImage bm = new BitmapImage();

                bm.BeginInit();
                //long a = ms.Seek(0, SeekOrigin.Begin);
                bm.StreamSource = ms;
                bm.EndInit();
                image_1.Source = bm;