PdfSignatureBuilder.SetImageData(Byte[]) Method

Sets the signature’s image data.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v23.2.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

C#

public void SetImageData(
    byte[] imageData
)

VB.NET

Public Sub SetImageData(
    imageData As Byte()
)

Parameters

Name	Type	Description
imageData	Byte[]	A byte array that represents image data.

Remarks

Use the PdfSignatureFieldInfo.SignatureBounds property to specify the signature location. If the SignatureBounds property is not specified, the signature is not visible.

The PDF Document API supports the signature image data in the following formats:

• BMP;
• JPEG;
• PNG;
• EMF+
• TIFF;
• GIF.

If the signature image is not provided, the signature is transparent.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the SetImageData(Byte[]) method.

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-multiple-signatures/CS/PdfDocumentProcessor/Program.cs#L37

//Specify an image and signer information
cooperSignature.SetImageData(System.IO.File.ReadAllBytes("Signing Documents/JaneCooper.jpg"));
cooperSignature.Location = "USA";

pdf-document-api-custom-signer/CS/CustomSigner/Program.cs#L30

//Specify the image and signer information:
signatureBuilder.SetImageData(System.IO.File.ReadAllBytes("signature.jpg"));
signatureBuilder.Location = "LOCATION";

pdf-document-api-custom-tsa-client/CS/CustomTsaClient/Program.cs#L27

//Specify image data and signer information:
signatureBuilder.SetImageData(File.ReadAllBytes("JaneCooper.jpg"));
signatureBuilder.Location = "United Kingdom";

pdf-document-api-sign-documents-with-certificate/CS/SignPDFWithHardwareCertificate/Program.cs#L59

var cooperSignature = new PdfSignatureBuilder(pkcs7Signature, signatureFieldInfo);
cooperSignature.SetImageData(System.IO.File.ReadAllBytes("JaneCooper.jpg"));

VB.NET

pdf-document-api-multiple-signatures/VB/PdfDocumentProcessor/Program.vb#L32

'Specify an image and signer information
cooperSignature.SetImageData(System.IO.File.ReadAllBytes("Signing Documents/JaneCooper.jpg"))
cooperSignature.Location = "USA"

pdf-document-api-custom-signer/VB/CustomSigner/Program.vb#L30

'Specify the image and signer information:
signatureBuilder.SetImageData(System.IO.File.ReadAllBytes("signature.jpg"))
signatureBuilder.Location = "LOCATION"

pdf-document-api-custom-tsa-client/VB/CustomTsaClient/Program.vb#L27

'Specify image data and signer information:
signatureBuilder.SetImageData(File.ReadAllBytes("JaneCooper.jpg"))
signatureBuilder.Location = "United Kingdom"

pdf-document-api-sign-documents-with-certificate/VB/SignPDFWithHardwareCertificate/Program.vb#L46

Dim cooperSignature = New PdfSignatureBuilder(pkcs7Signature, signatureFieldInfo)
cooperSignature.SetImageData(File.ReadAllBytes("JaneCooper.jpg"))
' Sign and save the document