Анализ PDF для извлечения полей формы как XML в .NET SDK

using Aspose.Pdf.Cloud.Sdk.Model;

namespace Parser
{
    public class ExportFormToXML
    {
        public static async Task Extract(string documentName, string outputXMLName, string remoteFolder)
        {
		// Get your AppSid and AppSecret from https://dashboard.aspose.cloud (free registration required). 
		pdfApi = new PdfApi(AppSecret, AppSid);

                using (var file = File.OpenRead(Path.Combine(localFolder, documentName)))
		{ // Upload the local PDF to cloud storage folder name.
                    FilesUploadResult uploadResponse = await pdfApi.UploadFileAsync(Path.Combine(remoteFolder, documentName), documentName);
                    Console.WriteLine(uploadResponse.Uploaded[0]);
                }
                
                string xmlPath = Path.Combine(remoteFolder, outputXMLName);

                // Parse PDF to extract Form fields as XML in cloud storage.
                AsposeResponse response = await pdfApi.PutExportFieldsFromPdfToXmlInStorageAsync(documentName, xmlPath, folder: remoteFolder);

                // Checks the response and logs the result.
                if (response == null)
                    Console.WriteLine("ExportFormToXML(): Unexpected error!");
                else if (response.Code < 200 || response.Code > 299)
                    Console.WriteLine("ExportFormToXML(): Failed to export Pdf document form fields.");
                else
                { // Downloads the updated file for local use.
                    Console.WriteLine("ExportFormToXML(): Pdf document '{0}' form fields successfully exported to '{1} file.", documentName, outputXMLName);
                    Stream stream = pdfApi.DownloadFile(Path.Combine(remoteFolder, outputXMLName));
                    using var fileStream = File.Create(Path.Combine(localFolder, outputXMLName));
                    stream.Position = 0;
                    await stream.CopyToAsync(fileStream);
                    Console.WriteLine("ExportFormToXML(): File '{0}' successfully downloaded.", outputXMLName);

                }
            }
        }
    }