PdfAnnotationFacade.Remove() Method

Removes the annotation.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v21.2.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

C#

public void Remove()

VB.NET

Public Sub Remove

Example

The code sample below removes all annotations from a specific author:

C#

using DevExpress.Pdf;
using System.Linq;

using (PdfDocumentProcessor processor = new PdfDocumentProcessor())
{
    // Load a document
    processor.LoadDocument("..\\..\\Document.pdf");

    // Access the first page properties
    PdfPageFacade pageFacade = processor.DocumentFacade.Pages[0];

    // Retrieve all markup annotations
    var markups = pageFacade.Annotations.Where
            (annotation => annotation.Type != PdfAnnotationType.Link).ToList();
    foreach(PdfMarkupAnnotationFacade markupAnnotation in markups)
    {
        // Check the annotation author
        if (markupAnnotation.Author == "Brian Zetc")
        {
            // Remove the annotation
            markupAnnotation.Remove();
        }
    }
    // Save the result
    processor.SaveDocument("..\\..\\Result.pdf");
}

VB.NET

Imports DevExpress.Pdf
Imports System.Linq

Using processor As New PdfDocumentProcessor()
  ' Load a document
  processor.LoadDocument("..\..\Document.pdf")

  ' Access the first page properties
  Dim pageFacade As PdfPageFacade = processor.DocumentFacade.Pages(0)

  ' Retrieve all markup annotations
  Dim markups = pageFacade.Annotations.Where
    (Function(annotation) annotation.Type <> PdfAnnotationType.Link).ToList()
  For Each markupAnnotation As PdfMarkupAnnotationFacade In markups

    ' Check the annotation author
    If markupAnnotation.Author = "Brian Zetc" Then

      ' Remove the annotation
      markupAnnotation.Remove()
    End If
  Next markupAnnotation

  ' Save the result
  processor.SaveDocument("..\..\Result.pdf")
End Using