PdfDocumentSigner(Stream) Constructor

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

Namespace: DevExpress.Pdf

Assembly: DevExpress.Docs.v25.1.dll

NuGet Package: DevExpress.Document.Processor

Declaration

C#

public PdfDocumentSigner(
    Stream stream
)

VB.NET

Public Sub New(
    stream As Stream
)

Parameters

Name	Type	Description
stream	Stream	The stream that contains a document that needs to be signed.

Remarks

C#

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);
}

VB.NET

Imports DevExpress.Pdf
Imports DevExpress.Office.DigitalSignatures

' Load a document to be signed
Using signer = New PdfDocumentSigner("SignedDocument.pdf")


  'Specify the name and location of the signature field
  Dim description = New PdfSignatureFieldInfo(1)
  description.Name = "SignatureField"
  description.SignatureBounds = New PdfRectangle(10, 10, 150, 150)

  'Create a PKCS#7 signature
  Dim signature As Pkcs7Signer = New Pkcs7Signer("Signing Documents//testcert.pfx", "123", HashAlgorithmType.SHA256)

  'Apply a signature to a new form field
  Dim 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)
End Using