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.

Add or Remove Annotations or Markup Word files in Java

Annotations are normally used to mentioned errors in documents or to discuss their content. With annotations, you can avoid long and never-ending discussions within emails threads. In this article, you will learn how to programmatically add and remove annotations to markup Word documents in Java.

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Remove Annotations from PDF or Word Documents in Java

Annotations are commonly used for pointing out observations in documents. These can also be used for providing feedback while discussion. Earlier, we discussed, the Java way to add different annotations to PDF documents. This article discusses how to remove annotations from documents like PDF and Word DOC/DOCX files in Java.

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Remove Annotations from PDF or Word Documents using C#

Annotations are commonly used in documents for pointing out different observations and providing feedbacks for discussion. We discussed in a separate articles, how to add different annotations to PDF and Word documents using C#. Today, this article discuss how to remove annotations from documents like PDF and Word DOC/DOCX files using C#.

The following topics are discussed in this article:

  • Annotation .NET API
  • Remove All Annotations
  • Remove Annotations by IDs
  • Eliminate Annotations by Annotation Object
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Add or Remove Annotations or Markup PDF files using C#

No more long discussions within long email threads on the content of the document(s). You can use annotations to markup documents with personalized messages and their replies. This article discussed how to programmatically annotate PDF files to markup documents using C#. Additionally, we will also discuss how to remove annotations from PDF files.

The following topics are discussed in this article:

  • .NET API to Annotate PDF Files
  • Add Annotations to PDF
    • Arrow annotations
    • Rectangle annotations
    • Ellipse or Oval annotations
    • Distance annotations
  • Remove Annotations from PDF Files
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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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