.NET SDK で PDF を PDF/A に変換

    public static void ConvertPdfToPdFa()
    {
        const string localImageFileName = @"C:\Samples\sample.pdf";
        const string storageImageFileName = "sample.pdf";
        const string resultFileName = "sample-pdfa.pdf";

        // Get your AppSid and AppSecret https://dashboard.aspose.cloud (free registration required).
        var pdfApi = new PdfApi(AppSecret, AppSid);
        using var file = File.OpenRead(localImageFileName);
        pdfApi.UploadFile(storageImageFileName, file);

        var response = pdfApi.GetPdfInStorageToPdfA(storageImageFileName,
            type: Aspose.Pdf.Cloud.Sdk.Model.PdfAType.PDFA1A.ToString());
        response.CopyTo(File.OpenWrite(resultFileName));
        Console.WriteLine($"PDF to PDF/A result: {response.Length} bytes");
    }