Saving, opening, and saving of VisionPro pictures in graphic format

/// <summary>
        /// 获得ICogImage图像格式
        /// </summary>
        /// <param name="imagepath"></param>
        /// <returns></returns>
        private ICogImage GetImage(string imagepath)
        {
    
    
            if (!File.Exists(imagepath))
                return null;
            CogImageFile ImageFile1 = new CogImageFile();
            ICogImage Image;
            ImageFile1.Open(imagepath, CogImageFileModeConstants.Read);
            Image = ImageFile1[0];
            ImageFile1.Close();
            return Image;
        }

        /// <summary>
        /// 原图像保存
        /// </summary>
        /// <param name="display"></param>
        /// <param name="path"></param>
        private void SaveOrignalImage(CogRecordDisplay display, string path)
        {
    
    
            try
            {
    
    
                if (!Directory.Exists(path))
                {
    
    
                    Directory.CreateDirectory(path);
                }

                string filename = "_" + DateTime.Now.ToString("HHmmssff") + "_" + ".bmp";

                ICogImage orignalImage = display.Image;
                CogImageFile ImageFile = new CogImageFile();
                ImageFile.Open(path + "\\" + filename, CogImageFileModeConstants.Write);
                ImageFile.Append(orignalImage);
                ImageFile.Close();
            }
            catch (Exception ex)
            {
    
    
                Log.WriteTxt("保存图像出现错误：" + ex.Message);

            }

        }

        /// <summary>
        /// 保存图像截图
        /// </summary>
        /// <param name="display"></param>
        /// <param name="path"></param>
        private void SaveScreenImage(CogRecordDisplay display, string path) //保存界面截图jpeg
        {
    
    
            try
            {
    
    
                //  path = path + "\\" + "Camera-" + index.ToString();
                if (!System.IO.Directory.Exists(path))
                {
    
    
                    System.IO.Directory.CreateDirectory(path);
                }

                string filename = "_" + DateTime.Now.ToString("HHmmssff") + "_" + ".jpg";
                Bitmap bmp = display.CreateContentBitmap(CogDisplayContentBitmapConstants.Image) as Bitmap;
                // Bitmap bmp = display.Image.ToBitmap();
                bmp.Save(path + "\\" + filename, System.Drawing.Imaging.ImageFormat.Jpeg);
            }
            catch (Exception ex)
            {
    
    
                Log.WriteTxt("保存处理图像出现错误，信息为" + ex.Message);
            }
        }

        /// <summary>
        /// 将图像转换成CogImage8Grey
        /// </summary>
        /// <param name="imagepath">路径</param>
        /// <returns></returns>
        private CogImage8Grey GetSimulateImage(string imagepath)
        {
    
    
            if (File.Exists(imagepath))
                return null;
            CogImageFile ImageFile1 = new CogImageFile();
            CogImage8Grey Image;
            ImageFile1.Open(imagepath, CogImageFileModeConstants.Read);
            Image = (CogImage8Grey)ImageFile1[0];
            ImageFile1.Close();
            return Image;
        }