Search for Barcode

Introduction

GroupDocs.Signature for .NET is a powerful tool for adding and verifying digital signatures in various document formats using .NET applications. In this tutorial, we’ll focus on how to search for barcode signatures within a document using GroupDocs.Signature for .NET.

Prerequisites

Before getting started, ensure you have the following prerequisites:

  1. GroupDocs.Signature for .NET: Make sure you have downloaded and installed GroupDocs.Signature for .NET. You can download it from here.
  2. Development Environment: Have a working environment set up for .NET development.
  3. Sample Document: Prepare a sample document containing barcode signatures for testing purposes.

Importing Namespaces

Before you can use GroupDocs.Signature in your code, you need to import the necessary namespaces:

using System;
using System.Collections.Generic;
using GroupDocs.Signature;
using GroupDocs.Signature.Domain;
using GroupDocs.Signature.Options;

Step 1: Define Document Path

First, specify the path to the document containing the barcode signatures:

string filePath = "sample_multiple_signatures.docx";

Step 2: Initialize Signature Object

Create an instance of the Signature class by passing the document path:

using (Signature signature = new Signature(filePath))
{
    // Code for signature search will go here
}

Step 3: Search for Barcode Signatures

Search for barcode signatures within the document:

List<BarcodeSignature> signatures = signature.Search<BarcodeSignature>(SignatureType.Barcode);

Step 4: Display Results

Iterate through the found barcode signatures and display their details:

Console.WriteLine($"\nSource document ['{filePath}'] contains the following signatures.");
foreach (var barcodeSignature in signatures)
{
    Console.WriteLine($"Barcode signature found at page {barcodeSignature.PageNumber} with type {barcodeSignature.EncodeType.TypeName} and text {barcodeSignature.Text}");
}

Conclusion

In this tutorial, we learned how to search for barcode signatures within a document using GroupDocs.Signature for .NET. By following the step-by-step guide and utilizing the provided code examples, you can efficiently integrate signature searching functionality into your .NET applications.

FAQ’s

Can GroupDocs.Signature search for multiple types of signatures simultaneously?

Yes, GroupDocs.Signature supports searching for multiple types of signatures, including barcode signatures, text signatures, and more.

Is there a trial version available for GroupDocs.Signature for .NET?

Yes, you can access the trial version from here.

Can I use GroupDocs.Signature for .NET with any document format?

GroupDocs.Signature supports a wide range of document formats, including PDF, Word, Excel, and PowerPoint.

How can I obtain a temporary license for GroupDocs.Signature for .NET?

You can obtain a temporary license from here.

Where can I find support for GroupDocs.Signature for .NET?

You can find support and ask questions on the GroupDocs.Signature forum here.

Search for Digital Signatures