Remove Image from PDF in .NET SDK

    public async Task DeleteImage()
    {
        const string LOCAL_FOLDER = "C:\\Samples";
        const string REMOTE_TEMP_FOLDER = "TempPdfCloud";
        const string PDF_DOCUMENT = "sample.pdf";
        const string PDF_OUTPUT = "output_sample_images_delete.pdf";
        const string IMAGE_ID =  "IMAGE_ID_VALUE";

        // 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(LOCAL_FOLDER, PDF_DOCUMENT)))
        {
            FilesUploadResult response = await pdfApi.UploadFileAsync(Path.Combine(REMOTE_TEMP_FOLDER, PDF_DOCUMENT), file);
            if (response == null)
                Console.WriteLine("UploadFile(): Unexpected error - no response!");
            else if (response.Errors != null && response.Errors.Count > 0)
                foreach (var error in response.Errors)
                    Console.WriteLine("UploadFile(): {0} -> {1}", [error.Code, error.Message]);
                else
                    Console.WriteLine("UploadFile(): File '{0}' successfully uploaded.", PDF_DOCUMENT);
        }

        AsposeResponse response = await pdfApi.DeleteImageAsync(PDF_DOCUMENT, IMAGE_ID, folder: REMOTE_TEMP_FOLDER);

        if (response == null)
            Console.WriteLine("ImagesDelete(): Unexpected error!");
        else if (response.Code < 200 || response.Code > 299)
            Console.WriteLine("ImagesDelete(): Failed to remove image from the document.");
        else {
            Console.WriteLine("ImagesDelete(): image '{0}' successfully removed from the document '{1}.", IMAGE_ID, PDF_DOCUMENT);

            await (await pdfApi.DownloadFileAsync(Path.Combine(REMOTE_TEMP_FOLDER, PDF_DOCUMENT)))
                .CopyToAsync(File.Create(Path.Combine(LOCAL_FOLDER, PDF_OUTPUT)));

            Console.WriteLine("DownloadFile(): File '{0}' successfully downloaded.", PDF_OUTPUT);
        }
    }