ASP.NET PDF to JPG Converter
How to view, convert PDF to multiple JPG image files in web browser in ASP.NET MVC on Azure using C#?

    public override void SaveFile_OnServer(String fid, String savePath, String responseMsg)
    {
        //  You can process saved pdf document here, like add watermark, ...
        var documentPath = savePath;
        if (!String.IsNullOrEmpty(documentPath))
        {
            Logger.LogFile(fid, "SaveFileOnServer: output file path " + documentPath, LogType.DEBUG);

            //  To verify the output file.
            RasterEdge.Imaging.Basic.BaseDocument document = null;
            if (documentPath.EndsWith(".pdf"))
            {
                // document object includes user modified content
                document = new RasterEdge.XDoc.PDF.PDFDocument(documentPath);
            }
            if (document != null)
            {

                //  Get the upload information of the file
                RasterEdge.WDP.DocUploadInfo docinfo = RasterEdge.WDP.Manager.FileManager.getUploadinfoByFid(fid);
                //  Get your file open url parameters value, if needed.
                String paraFilepathValue = docinfo.GetRequestParameters("yourtarget");
                if (!String.IsNullOrEmpty(paraFilepathValue))
                {
                    try
                    {
                        ImageOutputOption jpgImageOptions = new ImageOutputOption();

                        jpgImageOptions.Type = ImageType.JPEG;

                        jpgImageOptions.Color = ColorType.Color;
                        jpgImageOptions.JpegProgressive = true;
                        jpgImageOptions.JpegQualityLevel = 100;
                        jpgImageOptions.Zoom = 2;
                        jpgImageOptions.Resolution = 300;


                        int startIdx = documentPath.LastIndexOf("/");
                        int endIdx = documentPath.LastIndexOf(".");
                        String docName = documentPath.Substring(startIdx + 1, endIdx - startIdx - 1) + "-";

                        document.ConvertToImages(jpgImageOptions, @"C:\temp", docName);


                    }
                    catch (Exception ex)
                    {
                        //  Process error code, and return error information here
                        Logger.LogFile(fid, ex.Message + ". fail to save file to server.", LogType.ERROR);
                    }
                }
                else
                {
                    Logger.LogFile(fid, "no 'yourtarget' in the HTTPRequest.", LogType.INFO);
                }
            }
            else
            {
                Logger.LogFile(fid, "output PDF file is invalid.", LogType.ERROR);
            }
        }
        else
        {
            Logger.LogFile(fid, "fail to save file to server. output file path is null or empty.", LogType.ERROR);
        }
    }