Category Archive: GroupDocs.Annotation Product Family

Official blog with announcements of latest supported features, hot fixes, technical articles, tips and videos of GroupDocs.Annotation – A document annotation API for .NET, Java and Cloud.

Strikethrough Text in Documents using C#

There are cases where you need to point out the content that has mistakes or it is no more valid. Crossed out is one of the ways to mark the invalid content within the documents. In order to automate the striking out within .NET applications, this article shows how to strikethrough text in documents using C#.

The following topics are discussed in this article.

  • .NET API for Strikethrough Annotations
  • How to Strikeout Text in Documents
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Strikethrough Text in Documents using Java

Probably you have some content that is no more valid. Let’s cross it out. Crossing out is one of the ways, used to highlight the invalid content within the documents. In order to automate the cross-out within the applications, this article shows how to strikethrough text in documents in Java.

The following topics are discussed in this article.

  • Java API for Strikethrough Annotations
  • How to Strikeout Text in Documents
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Add Wavy Underline in Word, PDF & Other Documents using C#

Squiggly underlines are normally used to show inconsistencies in the document. We are quite familiar with these lines as Microsoft Word uses red squiggly underlines to indicate spelling mistakes and blue squiggly/wavy underlines for formatting issues. We can also add such underline annotations in documents programmatically. In this article, we will learn how to add wavy underlines in Word, PDF, PPT, and other documents using C#.

The following topics are discussed below:

  • .NET API for Wavy Underline / Squiggly Annotation
  • Add Wavy Underline to Text in Word - Squiggly Annotation
  • Add Wavy Underline to Text in PDF, PPT, and Other Documents
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Create Hyperlinks in PDF using Annotations in C#

Hyperlinks are normally used to associate external data to any specified area of the document. We can transform any part of the documents to hyperlinks using the link annotations. As a programmer, you can add these link annotations to documents within your .NET applications. In this article, we are going to discuss that how to create hyperlinks in PDF files using C#.

The following topics are covered in this article:

  • .NET API to Add Hyperlinks in PDF files
  • How to Programmatically Create Hyperlinks in PDF
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Highlight PDF using Annotations in C#

While reviewing or to attract viewer to an important content, you may need to highlight some part of the document. As a developer, you can automate this feature by using highlight annotations within your applications. In this article, you will learn how to highlight text and any area in PDF files using C#.

The following topics are covered in this article:

  • .NET API to Highlight in PDF
  • How to Programmatically Highlight in PDF
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Create Hyperlinks in PDF using Annotations in Java

Link annotations are used to create any part of the document as hyperlink. In other words, it allows us to associate external data with the specified area of the document. We can add these link annotations to documents within Java applications. In this article, you will learn how to create hyperlinks in PDF files using Java.

The following topics are covered in this article:

  • Java API to Add Hyperlinks in PDF files
  • How to Programmatically Create Hyperlinks in PDF
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Highlight PDF using Annotations in Java

It is often needed to highlight important areas of your documents on purpose. As a developer, you can automate highlighting within your applications. In this article, you will learn how to highlight text and any area in PDF files using Java. Additionally, there will be several properties of highlighting that can be adjusted according to the requirement.

The following topics are covered in this article:

  • Java API to Highlight PDF
  • How to Programmatically Highlight PDF
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Add or Remove Annotations or Markup Word files using C#

Forget to discuss documents' content and feedbacks in long email threads. Simply use annotations to markup documents with messages and replies. In this article, you will learn how to programmatically add and remove annotations to markup Word documents in C# with your .NET applications.

The following topics are discussed in this article:

  • .NET API for Word DOC/DOCX Annotations
  • Add Annotations to Word
    • Arrow annotations
    • Rectangle annotations
    • Ellipse or Oval annotations
    • Distance annotations
  • Remove Annotations from Word Files
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Add or Remove Annotations from PDF files using Java

There was a time when we used to discuss document content and feedback in long email threads with multiple attachments and different file versions. Now we can simply use annotations to markup the document with messages and replies and send it. In this article, you will learn how to programmatically annotate PDF documents in Java with your application.

The following are the topics discussed briefly in this article:

  • Java API to Work with Annotations in PDF
  • Add Annotations to PDF in Java
    • Arrow annotation to PDF
    • Rectangle annotation of PDF
    • Ellipse or Oval annotation to PDF
    • Distance annotation to PDF
  • Remove Annotations from PDF in Java

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Add Point Annotation in Documents using .NET and Java API

As all our records and documentations are facing a digital transformation. It has made it quite necessary for us to have a good knowledge of the tools that may help us in the long run. Annotation is one of those tools which may help you in adding the extra, yet necessary, piece of information into your documents.

Annotation helps readers in understanding the text in a better way. It also helps different people working on the same task to exchange … Continue Reading

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