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.NET Framework 4.5.2+

PdfDocumentSigner(Stream) Constructor

Initializes a new instance of the PdfDocumentSigner class with specified settings.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Docs.v22.2.dll


public PdfDocumentSigner(
    Stream stream


Name Type Description
stream Stream

The stream that contains a document that needs to be signed.


using DevExpress.Pdf;
using DevExpress.Office.DigitalSignatures;

//Load a document to be signed
using (var signer = new PdfDocumentSigner("SignedDocument.pdf"))
    //Specify the name and location of the signature field
    var description = new PdfSignatureFieldInfo(1);
    description.Name = "SignatureField";
    description.SignatureBounds = new PdfRectangle(10, 10, 150, 150);

    //Create a PKCS#7 signature
    Pkcs7Signer signature = new Pkcs7Signer("Signing Documents//testcert.pfx", "123", HashAlgorithmType.SHA256);

    //Apply a signature to a new form field
    var signatureBuilder = new PdfSignatureBuilder(signature, description);

    //Specify the signature's image and signer information
    signatureBuilder.SetImageData(System.IO.File.ReadAllBytes("Signing Documents//Signature.jpg"));
    signatureBuilder.Location = "USA";
    signatureBuilder.Name = "Jane Cooper";

    //Sign and save the document
    signer.SaveDocument("out2.pdf", signatureBuilder);
See Also