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DocumentSignature Class

Summary

Defines the document signature form field resources.

Syntax

C#
C++/CLI
Python
[SerializableAttribute()] 
[DataContractAttribute()] 
public class DocumentSignature 
public: 
   [SerializableAttribute,  
   DataContractAttribute] 
   ref class DocumentSignature 
class DocumentSignature: 

Remarks

The document signature defines the resources needed for the DocumentSignatureFormField object.

Example

C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Document.Writer; 
 
using Leadtools.Document; 
using Leadtools.Caching; 
using Leadtools.Annotations.Engine; 
using Leadtools.Ocr; 
using Leadtools.Barcode; 
using Leadtools.Document.Converter; 
 
public void DocumentSignatureExample(string pdfFile, RasterImage initialImage, RasterImage signatureImage) 
{ 
   // Load the document 
   Console.WriteLine($"Loading with DocumentLoadFormFieldsMode.Interactive"); 
   var loadDocumentOptions = new LoadDocumentOptions(); 
   loadDocumentOptions.LoadFormFieldsMode = DocumentLoadFormFieldsMode.Interactive; 
   using (LEADDocument document = DocumentFactory.LoadFromFile(pdfFile, loadDocumentOptions)) 
   { 
      document.IsReadOnly = false; 
 
      Console.WriteLine($"Document has {document.Pages.Count} pages"); 
 
      // Create a signature 
      var resources = new DocumentFormFieldResources(); 
      // DocumentSignature reference 
      var signatureData = resources.CreateSignature(); 
      signatureData.InitialsImage = initialImage; 
      signatureData.SignatureImage = signatureImage; 
      signatureData.SignerInitials = "JD"; 
      signatureData.SignerName = "John Doe"; 
      resources.Signatures.Add(signatureData); 
      document.FormFields.SetResources(resources); 
 
      // Create form fields container 
      var formFieldsContainer = new DocumentFormFieldsContainer() 
      { 
         PageNumber = 1 
      }; 
 
      // Initialize an initials field 
      var initialsField = new DocumentSignatureFormField() 
      { 
         SignatureType = DocumentSignatureFormField.SignatureType_Initials, 
         SignerID = signatureData.SignerID, // Links the signature form field with a signature resource 
         Signed = true, 
         Bounds = new LeadRectD(0, 0, 400, 400) 
      }; 
      // Initialize an signature field 
      var signatureField = new DocumentSignatureFormField() 
      { 
         SignatureType = DocumentSignatureFormField.SignatureType_Signature, 
         SignerID = signatureData.SignerID, // Links the signature form field with a signature resource 
         Signed = true, 
         Bounds = new LeadRectD(600, 600, 800, 400) 
      }; 
      formFieldsContainer.Children.Add(initialsField); 
      formFieldsContainer.Children.Add(signatureField); 
 
      document.FormFields.GetResources(); 
 
      // Update the form fields containers 
      document.FormFields.SetFormFields(new DocumentFormFieldsContainer[] { formFieldsContainer }); 
 
      document.IsReadOnly = true; 
   } 
} 

Requirements

Target Platforms

See Also

DocumentSignature Members

Leadtools.Document Namespace

Help Version 22.0.2023.4.21
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Leadtools.Document Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.