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PDF Annotation VB.NET Library
How to Highlight PDF Text in VB.NET

Online VB.NET Tutorial of How to Highlight Selected PDF Text on PDF Page in VB.NET

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Add Annotation – Highlight Text Overview

Users will often face the situation that you may need to emphasize the most important information from all text on a PDF page. Highlight text is such a functionality which allow users to give prominence to key words or sentences. RasterEdge XDoc.PDF SDK is a multifunctional PDF document annotation tool, which can highlight text with a simple piece of VB.NET programming demo code. pdf viewer control free, how to add header and footer in pdf using itextsharp in, open word document in c#, display image from base64 string, preview pdf in, mvc display pdf in partial view, core pdf editor.

Since RasterEdge XDoc.PDF SDK is based on .NET framework 2.0, users are enabled to use it in any type of a 32-bit or 64-bit .NET application, including ASP.NET web service and Windows Forms for any .NET Framework version from 2.0 to 4.5.

How to VB.NET: Highlight Selected Text on PDF Page

This sample code shows how to highlight PDF text in VB.NET application.

Dim inputFilePath As String = Program.RootPath + "\\" + "2.pdf"
Dim outputFilePath As String = Program.RootPath + "\\" + "Annot_3.pdf"

' open a PDF file
Dim doc As PDFDocument = New PDFDocument(inputFilePath)
' get the 2nd page
Dim page As PDFPage = doc.GetPage(1)

' create the annotation
Dim annot As PDFAnnotHighlight = New PDFAnnotHighlight()

annot.StartPoint = New PointF(100.0F, 200.0F)
annot.EndPoint = New PointF(300.0F, 400.0F)

' add annotation to the page

' save to a new file