How to: Delete Particular Markup Annotations from a Page

• Mar 20, 2020

This example shows how to delete text markup annotations created by a specific author.

Program.cs

using DevExpress.Pdf;
using System.Linq;
//...
private static void DeleteAnnotations(PdfDocumentProcessor processor)
{
    for (int i = 0; i <= processor.Document.Pages.Count; i++)
    {
        //Remove Borman Aaron Lewis's markup annotations from a page.
        processor.DeleteMarkupAnnotations(processor.GetMarkupAnnotationData(i)
        .Where(annotation => annotation.Author.Contains("Borman Aaron Lewis")));
    }
}

Program.vb

Imports DevExpress.Pdf
Imports System.Linq
'...
Private Shared Sub DeleteAnnotations(ByVal processor As PdfDocumentProcessor)
    For i As Integer = 0 To processor.Document.Pages.Count
        'Remove Borman Aaron Lewis's markup annotations from a page.
        processor.DeleteMarkupAnnotations(processor.GetMarkupAnnotationData(i).Where(Function(annotation) annotation.Author.Contains("Borman Aaron Lewis")))
    Next i
End Sub