/// <summary>         /// 裁剪图片         /// </summary>         /// <param name="imagePath"/>         /// <param name="savePath">"c:\images\"</param>         private List<string> DefClipImage(string imagePath, string savePath)         {             var fileInfo = new FileInfo(imagePath);             if (!fileInfo.Exists)                 throw new Exception("图片" + imagePath + "不存在！");             var savePathList = new List<string>();             var spath = savePath + fileInfo.Name.Replace(fileInfo.Extension, string.Empty);             try             {                 var bitmap = new Bitmap(imagePath);                 var format = bitmap.PixelFormat;                 Bitmap cloneBitmap = bitmap.Clone(_cloneRect1, format);                 var tempPath = spath + "_1.jpg";                 cloneBitmap.Save(tempPath);                 savePathList.Add(tempPath);                 cloneBitmap.Dispose();                 cloneBitmap = bitmap.Clone(_cloneRect2, format);                 tempPath = spath + "_2.jpg";                 cloneBitmap.Save(tempPath);                 savePathList.Add(tempPath);                 cloneBitmap.Dispose();                 cloneBitmap = bitmap.Clone(_cloneRect3, format);                 tempPath = spath + "_3.jpg";                 cloneBitmap.Save(tempPath);                 savePathList.Add(tempPath);                 cloneBitmap.Dispose();                 cloneBitmap = bitmap.Clone(_cloneRect4, format);                 tempPath = spath + "_4.jpg";                 cloneBitmap.Save(tempPath);                 savePathList.Add(tempPath);                 cloneBitmap.Dispose();                 bitmap.Dispose();                 return savePathList;             }             catch             {                 throw new Exception("图片" + imagePath + "处理失败！");             }         }

   private void test()         {             Bitmap bitmap = new Bitmap(Application.StartupPath + @"\Image\1.jpg");             var bt = new Bitmap(7500, 3750);             var grahics = Graphics.FromImage(bt);             grahics.DrawImage(bitmap, _cloneRect1, _cloneRect1,GraphicsUnit.Pixel);             bt.Save(Application.StartupPath + "1.jpg");             grahics.DrawImage(bitmap, _cloneRect1, _cloneRect2, GraphicsUnit.Pixel);             bt.Save(Application.StartupPath + "2.jpg");             grahics.DrawImage(bitmap, _cloneRect1, _cloneRect3, GraphicsUnit.Pixel);             bt.Save(Application.StartupPath + "3.jpg");             grahics.DrawImage(bitmap, _cloneRect1, _cloneRect4, GraphicsUnit.Pixel);             bt.Save(Application.StartupPath + "4.jpg");             grahics.Dispose();             bt.Dispose();         }