GDI+ 中发生一般性错误

Question

                   将一个大图片 截取一小部分  然后报错    GDI+ 中发生一般性错误 怎么解决？
                        dicpath += Name;
                       if (File.Exists(dicpath))
                       {
                           //原图片文件
                           System.Drawing.Image fromImage = System.Drawing.Image.FromFile(dicpath);
                           //创建新图位图
                           Bitmap bitmap = new Bitmap(55, 50);
                           //创建作图区域
                           Graphics graphic = Graphics.FromImage(bitmap);
                           //截取原图相应区域写入作图区
                           graphic.DrawImage(fromImage, 0, 0, new Rectangle(x, y, 150, 150), GraphicsUnit.Pixel);
                           //从作图区生成新图
                           Image saveImage = Image.FromHbitmap(bitmap.GetHbitmap());
                           //保存图片
                           string[] arr = dicpath.Split('.');
                           string name = arr[0] + "_Small." + arr[1];
                           saveImage.Save(name);
                           //释放资源  
                           graphic.Dispose();
                           bitmap.Dispose();
                           fromImage.Dispose();
                       }

Answer 1

请给出出错行
多半是不能识别原始图片另外，作图是针对 bitmap 进行的，所以直接保存 bitmap 就行了，不必（Image.FromHbitmap）绕个圈子，因为 Bitmap 自己就有 Save 方法