PdfSignatureFieldInfo.SignatureBounds Property

Gets or sets the signature field’s bounds on the page (measured in the page coordinate system).

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v25.1.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

C#

public PdfRectangle SignatureBounds { get; set; }

VB.NET

Public Property SignatureBounds As PdfRectangle

Property Value

Type	Description
PdfRectangle	A rectangle that defines the signature’s location.

Remarks

Use the PdfSignatureBuilder.SetImageData method to add an image to the signature field.

If the SignatureBounds is not specified, the signature field is hidden.

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

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the SignatureBounds property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

pdf-document-api-custom-signer/CS/CustomSigner/Program.cs#L21

description.Name = "SignatureField";
description.SignatureBounds = new PdfRectangle(10, 10, 50, 150);

pdf-document-api-sign-documents-with-certificate/CS/SignPDFWithHardwareCertificate/Program.cs#L55

signatureFieldInfo.Name = "SignatureField";
signatureFieldInfo.SignatureBounds = new PdfRectangle(20, 20, 150, 150);

VB.NET

pdf-document-api-custom-signer/VB/CustomSigner/Program.vb#L21

description.Name = "SignatureField"
description.SignatureBounds = New PdfRectangle(10, 10, 50, 150)

pdf-document-api-sign-documents-with-certificate/VB/SignPDFWithHardwareCertificate/Program.vb#L43

signatureFieldInfo.Name = "SignatureField"
signatureFieldInfo.SignatureBounds = New PdfRectangle(20, 20, 150, 150)
' Apply a signature to a newly created signature field