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We also updated our PDF Signature demo module to help you explore these capabilities at your own pace. Signer.SaveDocument("SignedDocument.pdf", santuzzaSignature) SantuzzaSignature.SetSignatureAppearance(signatureAppearance) Change font settings for signature details: SignatureAppearance.DateTimeFormat = "MM/dd/yyyy"
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Specify the necessary information to display: SignatureAppearance.SetImageData("Signing Documents/logo.png") PdfSignatureAppearance signatureAppearance = new PdfSignatureAppearance() Specify signature appearance parameters: Var santuzzaSignature = new PdfSignatureBuilder(pkcs7Signature, "Sign") Apply signature to an existing form field:
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The code below demonstrates how to customize signature appearance: using (var signer = new PdfDocumentSigner("Document.pdf")) Set the AppearanceType property to None to display only signature details.Ĭall the PdfSignatureBuilder.SetSignatureAppearance method and pass a PdfSignatureAppearance object as a parameter to apply changes to the signature. The name is extracted from the signing certificate or the PdfSignatureBuilder.Name property. If no image is specified, the signer’s name is displayed. Call the SetImageData method to specify an image displayed on the left side of the signature. PdfSignatureAppearance class properties allow you to specify a graphic that identifies the signer, signature details data, and background image. Our PDF Document API (v21.1) allows you to customize signature appearance options and can now display additional information about the signer, his/her affiliations, or the company itself. PDF Document API - PAdES - BES (LT and LTA levels) Signatures.
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PDF Document API - Signature Enhancements.PDF Document API v20.1 - Multiple Signatures and Timestamps.For background information on our implementation, please review the following blog posts: As you may already know, the DevExpress PDF Document API supports multiple digital signature options.