Add Text Highlight Annotation to Document

Introduction

In the realm of document management and collaboration, GroupDocs.Annotation for .NET emerges as a robust solution, empowering developers to seamlessly integrate text highlight annotations into their applications. This tutorial serves as a comprehensive guide to adding text highlight annotations to documents using GroupDocs.Annotation for .NET. Through step-by-step instructions and detailed explanations, you will gain proficiency in harnessing the capabilities of this powerful library.

Prerequisites

Before delving into the implementation of text highlight annotations, ensure that you have the following prerequisites in place:

  1. Environment Setup: Have a suitable development environment configured for .NET development.
  2. Installation of GroupDocs.Annotation for .NET: Download and install GroupDocs.Annotation for .NET from the provided download link.
  3. Familiarity with C#: Basic understanding of C# programming language.
  4. Document to Annotate: Prepare a document (e.g., PDF) that you intend to annotate.

Import Namespaces

To begin, import the necessary namespaces in your C# code to utilize the functionalities of GroupDocs.Annotation for .NET:

using System;
using System.Collections.Generic;
using System.IO;
using GroupDocs.Annotation.Models;
using GroupDocs.Annotation.Models.AnnotationModels;
using GroupDocs.Annotation.Options;

#Now, let’s break down the process of adding text highlight annotations into multiple steps:

Step 1: Define Output Path

Specify the output path where the annotated document will be saved:

string outputPath = Path.Combine("Your Document Directory", "result" + Path.GetExtension("input.pdf"));

Step 2: Initialize Annotator

Create an instance of the Annotator class, passing the document filename as a parameter:

using (Annotator annotator = new Annotator("input.pdf"))

Step 3: Create Highlight Annotation

Instantiate a HighlightAnnotation object and configure its properties:

HighlightAnnotation highlight = new HighlightAnnotation
{
    BackgroundColor = 65535,
    CreatedOn = DateTime.Now,
    FontColor = 0,
    Message = "This is highlight annotation",
    Opacity = 0.5,
    PageNumber = 0,
    Points = new List<Point>
    {
        new Point(80, 730), new Point(240, 730), new Point(80, 650), new Point(240, 650)
    },
    Replies = new List<Reply>
    {
        new Reply
        {
            Comment = "First comment",
            RepliedOn = DateTime.Now
        },
        new Reply
        {
            Comment = "Second comment",
            RepliedOn = DateTime.Now
        }
    }
};

Step 4: Add Annotation

Add the created highlight annotation to the document:

annotator.Add(highlight);

Step 5: Save Annotated Document

Save the annotated document to the specified output path:

annotator.Save(outputPath);

Conclusion

In conclusion, GroupDocs.Annotation for .NET offers a streamlined approach to incorporate text highlight annotations into documents. By following the steps outlined in this tutorial, developers can seamlessly enhance document collaboration and productivity within their applications.

FAQ’s

Is GroupDocs.Annotation for .NET compatible with all document formats?

GroupDocs.Annotation for .NET supports various document formats, including PDF, Word, Excel, and more. Refer to the documentation for the complete list.

Can annotations be customized according to specific requirements?

Yes, developers have full control over the properties and appearance of annotations, allowing for customization to meet diverse needs.

Is there a free trial available for GroupDocs.Annotation for .NET?

Yes, you can explore the features of GroupDocs.Annotation for .NET by accessing the free trial from the provided link.

For support and assistance, you can visit the GroupDocs.Annotation forum here.

What licensing options are available for GroupDocs.Annotation for .NET?

GroupDocs.Annotation for .NET offers various licensing options, including temporary licenses for testing purposes and commercial licenses for production environments. Visit the purchase page here for more details.

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